5551396864 has 48 divisors (see below), whose sum is σ = 11953992960. Its totient is φ = 2562170880.

The previous prime is 5551396841. The next prime is 5551396897. The reversal of 5551396864 is 4686931555.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77632 + ... + 130879.

It is an arithmetic number, because the mean of its divisors is an integer number (249041520).

Almost surely, 2^5551396864 is an apocalyptic number.

It is an amenable number.

5551396864 is an abundant number, since it is smaller than the sum of its proper divisors (6402596096).

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

5551396864 is a wasteful number, since it uses less digits than its factorization.

5551396864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208546 (or 208526 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 52.

The square root of 5551396864 is about 74507.6966762495. The cubic root of 5551396864 is about 1770.6555780664.

The spelling of 5551396864 in words is "five billion, five hundred fifty-one million, three hundred ninety-six thousand, eight hundred sixty-four".