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55862450 = 252721512
BaseRepresentation
bin1101010100011…
…0010010110010
310220010002212122
43111012102302
5103300044300
65313154242
71245552200
oct325062262
9126102778
1055862450
1129595316
121685b982
13b75b907
1475c2070
154d86c85
hex35464b2

55862450 has 54 divisors (see below), whose sum is σ = 121673853. Its totient is φ = 19026000.

The previous prime is 55862437. The next prime is 55862479. The reversal of 55862450 is 5426855.

It can be written as a sum of positive squares in 2 ways, for example, as 54745201 + 1117249 = 7399^2 + 1057^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5285.

It is a super-2 number, since 2×558624502 = 6241226640005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 55862450.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 369875 + ... + 370025.

Almost surely, 255862450 is an apocalyptic number.

55862450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55862450 is an abundant number, since it is smaller than the sum of its proper divisors (65811403).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55862450 is a wasteful number, since it uses less digits than its factorization.

55862450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 55862450 is about 7474.1186771418. The cubic root of 55862450 is about 382.2727372555.

The spelling of 55862450 in words is "fifty-five million, eight hundred sixty-two thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 151 175 245 302 350 490 755 1057 1225 1510 2114 2450 3775 5285 7399 7550 10570 14798 22801 26425 36995 45602 52850 73990 114005 159607 184975 228010 319214 369950 570025 798035 1117249 1140050 1596070 2234498 3990175 5586245 7980350 11172490 27931225 55862450