55853553072 has 80 divisors (see below), whose sum is σ = 154748309760. Its totient is φ = 17305157376.

The previous prime is 55853553029. The next prime is 55853553109. The reversal of 55853553072 is 27035535855.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 529428 + ... + 626099.

It is an arithmetic number, because the mean of its divisors is an integer number (1934353872).

Almost surely, 2^55853553072 is an apocalyptic number.

It is an amenable number.

55853553072 is an abundant number, since it is smaller than the sum of its proper divisors (98894756688).

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

55853553072 is a wasteful number, since it uses less digits than its factorization.

55853553072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155610 (or 1155604 counting only the distinct ones).

The product of its (nonzero) digits is 3150000, while the sum is 48.

The spelling of 55853553072 in words is "fifty-five billion, eight hundred fifty-three million, five hundred fifty-three thousand, seventy-two".