55913646 has 32 divisors (see below), whose sum is σ = 122231808. Its totient is φ = 16974720.

The previous prime is 55913633. The next prime is 55913657. The reversal of 55913646 is 64631955.

It is a congruent number.

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, 5680 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (3819744).

Almost surely, 2^55913646 is an apocalyptic number.

55913646 is an abundant number, since it is smaller than the sum of its proper divisors (66318162).

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

55913646 is a wasteful number, since it uses less digits than its factorization.

55913646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17736.

The product of its digits is 97200, while the sum is 39.

The square root of 55913646 is about 7477.5427782126. The cubic root of 55913646 is about 382.3894815052.

The spelling of 55913646 in words is "fifty-five million, nine hundred thirteen thousand, six hundred forty-six".