56435215654216 has 48 divisors (see below), whose sum is σ = 123104907488700. Its totient is φ = 24184007535744.

The previous prime is 56435215654171. The next prime is 56435215654217. The reversal of 56435215654216 is 61245651253465.

It can be written as a sum of positive squares in 2 ways, for example, as 40284028180900 + 16151187473316 = 6346970^2 + 4018854^2 .

It is not an unprimeable number, because it can be changed into a prime (56435215654217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3701151 + ... + 11250286.

Almost surely, 2^{56435215654216} is an apocalyptic number.

56435215654216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56435215654216 is an abundant number, since it is smaller than the sum of its proper divisors (66669691834484).

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

56435215654216 is a wasteful number, since it uses less digits than its factorization.

56435215654216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961086 (or 14961075 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 55.

The spelling of 56435215654216 in words is "fifty-six trillion, four hundred thirty-five billion, two hundred fifteen million, six hundred fifty-four thousand, two hundred sixteen".