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55945056 = 253582761
BaseRepresentation
bin1101010101101…
…0011101100000
310220021022012010
43111122131200
5103310220211
65315032520
71246345056
oct325323540
9126238163
1055945056
1129641392
121689b740
13b78a3ab
1476041d6
154da14a6
hex355a760

55945056 has 24 divisors (see below), whose sum is σ = 146856024. Its totient is φ = 18648320.

The previous prime is 55945009. The next prime is 55945061. The reversal of 55945056 is 65054955.

55945056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×559450563 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291285 + ... + 291476.

It is an arithmetic number, because the mean of its divisors is an integer number (6119001).

Almost surely, 255945056 is an apocalyptic number.

It is an amenable number.

55945056 is an abundant number, since it is smaller than the sum of its proper divisors (90910968).

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

55945056 is a wasteful number, since it uses less digits than its factorization.

55945056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582774 (or 582766 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 55945056 is about 7479.6427722185. The cubic root of 55945056 is about 382.4610716929.

The spelling of 55945056 in words is "fifty-five million, nine hundred forty-five thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 582761 1165522 1748283 2331044 3496566 4662088 6993132 9324176 13986264 18648352 27972528 55945056