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55626020072 = 237993321787
BaseRepresentation
bin110011110011100100…
…011011010011101000
312022120200011121021122
4303303210123103220
51402410230120242
641315414354412
74006315240430
oct636344332350
9168520147248
1055626020072
1121655490217
12a94505ba08
13532650779c
1429999cd2c0
1516a8758ad2
hexcf391b4e8

55626020072 has 16 divisors (see below), whose sum is σ = 119198614560. Its totient is φ = 23839722864.

The previous prime is 55626020071. The next prime is 55626020143. The reversal of 55626020072 is 27002062655.

It is not an unprimeable number, because it can be changed into a prime (55626020071) by changing a digit.

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, 496660838 + ... + 496660949.

It is an arithmetic number, because the mean of its divisors is an integer number (7449913410).

Almost surely, 255626020072 is an apocalyptic number.

It is an amenable number.

55626020072 is an abundant number, since it is smaller than the sum of its proper divisors (63572594488).

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

55626020072 is a wasteful number, since it uses less digits than its factorization.

55626020072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993321800 (or 993321796 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 55626020072 in words is "fifty-five billion, six hundred twenty-six million, twenty thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 993321787 1986643574 3973287148 6953252509 7946574296 13906505018 27813010036 55626020072