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55125343264 = 251990666683
BaseRepresentation
bin110011010101101110…
…011111110000100000
312021021210001120211011
4303111232133300200
51400344041441024
641154011230304
73661025454325
oct632556376040
9167253046734
1055125343264
1121418901332
12a825448394
135276876614
14294d2dcb4c
15167980a094
hexcd5b9fc20

55125343264 has 24 divisors (see below), whose sum is σ = 114240021840. Its totient is φ = 26112004416.

The previous prime is 55125343253. The next prime is 55125343307. The reversal of 55125343264 is 46234352155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45332734 + ... + 45333949.

It is an arithmetic number, because the mean of its divisors is an integer number (4760000910).

Almost surely, 255125343264 is an apocalyptic number.

It is an amenable number.

55125343264 is an abundant number, since it is smaller than the sum of its proper divisors (59114678576).

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

55125343264 is a wasteful number, since it uses less digits than its factorization.

55125343264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90666712 (or 90666704 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The spelling of 55125343264 in words is "fifty-five billion, one hundred twenty-five million, three hundred forty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 90666683 181333366 362666732 725333464 1450666928 1722666977 2901333856 3445333954 6890667908 13781335816 27562671632 55125343264