55097964 has 36 divisors (see below), whose sum is σ = 142518376. Its totient is φ = 17938368.

The previous prime is 55097963. The next prime is 55097981. The reversal of 55097964 is 46979055.

It is a happy number.

55097964 is a `hidden beast` number, since 550 + 9 + 7 + 96 + 4 = 666.

55097964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (55097963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16249 + ... + 19344.

Almost surely, 2^55097964 is an apocalyptic number.

It is an amenable number.

55097964 is an abundant number, since it is smaller than the sum of its proper divisors (87420412).

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

55097964 is a wasteful number, since it uses less digits than its factorization.

55097964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35646 (or 35641 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 55097964 is about 7422.8002802177. The cubic root of 55097964 is about 380.5209015072.

The spelling of 55097964 in words is "fifty-five million, ninety-seven thousand, nine hundred sixty-four".