56466815257654 has 16 divisors (see below), whose sum is σ = 86689441914768. Its totient is φ = 27570629261952.

The previous prime is 56466815257651. The next prime is 56466815257691. The reversal of 56466815257654 is 45675251866465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56466815257651) 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, 73275087 + ... + 74041690.

It is an arithmetic number, because the mean of its divisors is an integer number (5418090119673).

Almost surely, 2^{56466815257654} is an apocalyptic number.

56466815257654 is a deficient number, since it is larger than the sum of its proper divisors (30222626657114).

56466815257654 is a wasteful number, since it uses less digits than its factorization.

56466815257654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147321279.

The product of its digits is 1451520000, while the sum is 70.

The spelling of 56466815257654 in words is "fifty-six trillion, four hundred sixty-six billion, eight hundred fifteen million, two hundred fifty-seven thousand, six hundred fifty-four".