55945884 has 24 divisors (see below), whose sum is σ = 130816000. Its totient is φ = 18609264.

The previous prime is 55945859. The next prime is 55945889. The reversal of 55945884 is 48854955.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55945889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317 + ... + 10659.

Almost surely, 2^55945884 is an apocalyptic number.

It is an amenable number.

55945884 is an abundant number, since it is smaller than the sum of its proper divisors (74870116).

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

55945884 is a wasteful number, since it uses less digits than its factorization.

55945884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849 (or 9847 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 48.

The square root of 55945884 is about 7479.6981222507. The cubic root of 55945884 is about 382.4629585216.

The spelling of 55945884 in words is "fifty-five million, nine hundred forty-five thousand, eight hundred eighty-four".