55035563136 has 64 divisors (see below), whose sum is σ = 146271223200. Its totient is φ = 18334771200.

The previous prime is 55035563123. The next prime is 55035563137. The reversal of 55035563136 is 63136553055.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (55035563137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651795 + ... + 731373.

Almost surely, 2^55035563136 is an apocalyptic number.

It is an amenable number.

55035563136 is an abundant number, since it is smaller than the sum of its proper divisors (91235660064).

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

55035563136 is a wasteful number, since it uses less digits than its factorization.

55035563136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81397 (or 81385 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 42.

The spelling of 55035563136 in words is "fifty-five billion, thirty-five million, five hundred sixty-three thousand, one hundred thirty-six".