55100964 has 12 divisors (see below), whose sum is σ = 128568944. Its totient is φ = 18366984.

The previous prime is 55100963. The next prime is 55100971. The reversal of 55100964 is 46900155.

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

It is a super-2 number, since 2×55100964² = 6072232467458592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55100963) 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, 2295862 + ... + 2295885.

Almost surely, 2^55100964 is an apocalyptic number.

It is an amenable number.

55100964 is an abundant number, since it is smaller than the sum of its proper divisors (73467980).

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

55100964 is a wasteful number, since it uses less digits than its factorization.

55100964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591754 (or 4591752 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 55100964 is about 7423.0023575370. The cubic root of 55100964 is about 380.5278076425.

The spelling of 55100964 in words is "fifty-five million, one hundred thousand, nine hundred sixty-four".