55460963640 has 32 divisors (see below), whose sum is σ = 166382891280. Its totient is φ = 14789590272.

The previous prime is 55460963603. The next prime is 55460963651. The reversal of 55460963640 is 4636906455.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55460963640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231087229 + ... + 231087468.

Almost surely, 2^55460963640 is an apocalyptic number.

It is an amenable number.

55460963640 is an abundant number, since it is smaller than the sum of its proper divisors (110921927640).

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

55460963640 is a wasteful number, since it uses less digits than its factorization.

55460963640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462174711 (or 462174707 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 55460963640 in words is "fifty-five billion, four hundred sixty million, nine hundred sixty-three thousand, six hundred forty".