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55382797492 = 22111759715577
BaseRepresentation
bin110011100101000100…
…100110110010110100
312021221201111121121221
4303211010212302310
51401410444004432
641235325320124
74000303003621
oct634504466264
9167851447557
1055382797492
1121540166520
12a897706044
1352b7cc8bb9
142975599348
151692212b97
hexce5126cb4

55382797492 has 24 divisors (see below), whose sum is σ = 105791051520. Its totient is φ = 25159652160.

The previous prime is 55382797441. The next prime is 55382797511. The reversal of 55382797492 is 29479728355.

It is a self number, because there is not a number n which added to its sum of digits gives 55382797492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280393 + ... + 435184.

It is an arithmetic number, because the mean of its divisors is an integer number (4407960480).

Almost surely, 255382797492 is an apocalyptic number.

It is an amenable number.

55382797492 is a deficient number, since it is larger than the sum of its proper divisors (50408254028).

55382797492 is a wasteful number, since it uses less digits than its factorization.

55382797492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717351 (or 717349 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 61.

The spelling of 55382797492 in words is "fifty-five billion, three hundred eighty-two million, seven hundred ninety-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 11 22 44 1759 3518 7036 19349 38698 77396 715577 1431154 2862308 7871347 15742694 31485388 1258699943 2517399886 5034799772 13845699373 27691398746 55382797492