5557406856 has 64 divisors (see below), whose sum is σ = 14218934400. Its totient is φ = 1809561600.

The previous prime is 5557406837. The next prime is 5557406863. The reversal of 5557406856 is 6586047555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5557406799 and 5557406808.

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, 170776 + ... + 200696.

It is an arithmetic number, because the mean of its divisors is an integer number (222170850).

Almost surely, 2^5557406856 is an apocalyptic number.

It is an amenable number.

5557406856 is an abundant number, since it is smaller than the sum of its proper divisors (8661527544).

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

5557406856 is a wasteful number, since it uses less digits than its factorization.

5557406856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30110 (or 30106 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 51.

The square root of 5557406856 is about 74548.0171164867. The cubic root of 5557406856 is about 1771.2943234842.

The spelling of 5557406856 in words is "five billion, five hundred fifty-seven million, four hundred six thousand, eight hundred fifty-six".