55896564 has 12 divisors (see below), whose sum is σ = 130425344. Its totient is φ = 18632184.

The previous prime is 55896563. The next prime is 55896569. The reversal of 55896564 is 46569855.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55896563) 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, 2329012 + ... + 2329035.

Almost surely, 2^55896564 is an apocalyptic number.

It is an amenable number.

55896564 is an abundant number, since it is smaller than the sum of its proper divisors (74528780).

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

55896564 is a wasteful number, since it uses less digits than its factorization.

55896564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658054 (or 4658052 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 55896564 is about 7476.4004708148. The cubic root of 55896564 is about 382.3505366745.

The spelling of 55896564 in words is "fifty-five million, eight hundred ninety-six thousand, five hundred sixty-four".