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55758308 = 2213939577
BaseRepresentation
bin1101010010110…
…0110111100100
310212220211000112
43110230313210
5103233231213
65311032152
71244636444
oct324546744
9125824015
1055758308
1129524051
121680b658
13b7233a8
147596124
154d65ea8
hex352cde4

55758308 has 6 divisors (see below), whose sum is σ = 97577046. Its totient is φ = 27879152.

The previous prime is 55758301. The next prime is 55758323. The reversal of 55758308 is 80385755.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 879844 = 7408^2 + 938^2 .

It is a super-2 number, since 2×557583082 = 6217977822045728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55758301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969785 + ... + 6969792.

It is an arithmetic number, because the mean of its divisors is an integer number (16262841).

Almost surely, 255758308 is an apocalyptic number.

It is an amenable number.

55758308 is a deficient number, since it is larger than the sum of its proper divisors (41818738).

55758308 is a wasteful number, since it uses less digits than its factorization.

55758308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13939581 (or 13939579 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 55758308 is about 7467.1485856383. The cubic root of 55758308 is about 382.0350378578.

The spelling of 55758308 in words is "fifty-five million, seven hundred fifty-eight thousand, three hundred eight".

Divisors: 1 2 4 13939577 27879154 55758308