56155513406 has 8 divisors (see below), whose sum is σ = 87137865720. Its totient is φ = 27109558168.

The previous prime is 56155513399. The next prime is 56155513409. The reversal of 56155513406 is 60431555165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155513409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484099196 + ... + 484099311.

It is an arithmetic number, because the mean of its divisors is an integer number (10892233215).

Almost surely, 2^56155513406 is an apocalyptic number.

56155513406 is a deficient number, since it is larger than the sum of its proper divisors (30982352314).

56155513406 is a wasteful number, since it uses less digits than its factorization.

56155513406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968198538.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 56155513406 in words is "fifty-six billion, one hundred fifty-five million, five hundred thirteen thousand, four hundred six".