55464515612 has 24 divisors (see below), whose sum is σ = 106122668400. Its totient is φ = 25154984960.

The previous prime is 55464515611. The next prime is 55464515653. The reversal of 55464515612 is 21651546455.

55464515612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55464515611) 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, 1383983 + ... + 1423494.

It is an arithmetic number, because the mean of its divisors is an integer number (4421777850).

Almost surely, 2^55464515612 is an apocalyptic number.

It is an amenable number.

55464515612 is a deficient number, since it is larger than the sum of its proper divisors (50658152788).

55464515612 is a wasteful number, since it uses less digits than its factorization.

55464515612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807941 (or 2807939 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The spelling of 55464515612 in words is "fifty-five billion, four hundred sixty-four million, five hundred fifteen thousand, six hundred twelve".