55691450424 has 64 divisors (see below), whose sum is σ = 163798394400. Its totient is φ = 17471826432.

The previous prime is 55691450383. The next prime is 55691450467. The reversal of 55691450424 is 42405419655.

55691450424 is a `hidden beast` number, since 5 + 56 + 91 + 4 + 504 + 2 + 4 = 666.

55691450424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55691450424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7579587 + ... + 7586930.

Almost surely, 2^55691450424 is an apocalyptic number.

55691450424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55691450424 is an abundant number, since it is smaller than the sum of its proper divisors (108106943976).

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

55691450424 is a wasteful number, since it uses less digits than its factorization.

55691450424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166549 (or 15166539 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 55691450424 in words is "fifty-five billion, six hundred ninety-one million, four hundred fifty thousand, four hundred twenty-four".