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55848490 = 2529192581
BaseRepresentation
bin1101010100001…
…0111000101010
310220002101201121
43111002320222
5103244122430
65313005454
71245463405
oct325027052
9126071647
1055848490
1129585885
121685388a
13b755459
1475bad3c
154d82a7a
hex3542e2a

55848490 has 16 divisors (see below), whose sum is σ = 103994280. Its totient is φ = 21568960.

The previous prime is 55848487. The next prime is 55848491. The reversal of 55848490 is 9484855.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53479969 + 2368521 = 7313^2 + 1539^2 .

It is not an unprimeable number, because it can be changed into a prime (55848491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96001 + ... + 96580.

Almost surely, 255848490 is an apocalyptic number.

55848490 is a deficient number, since it is larger than the sum of its proper divisors (48145790).

55848490 is a wasteful number, since it uses less digits than its factorization.

55848490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192617.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 55848490 is about 7473.1847294176. The cubic root of 55848490 is about 382.2408913434.

Subtracting from 55848490 its reverse (9484855), we obtain a triangular number (46363635 = T9629).

The spelling of 55848490 in words is "fifty-five million, eight hundred forty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 192581 385162 962905 1925810 5584849 11169698 27924245 55848490