55201968 has 30 divisors (see below), whose sum is σ = 154489244. Its totient is φ = 18400608.

The previous prime is 55201963. The next prime is 55201997. The reversal of 55201968 is 86910255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55201963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191530 + ... + 191817.

Almost surely, 2^55201968 is an apocalyptic number.

It is an amenable number.

55201968 is an abundant number, since it is smaller than the sum of its proper divisors (99287276).

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

55201968 is a wasteful number, since it uses less digits than its factorization.

55201968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383361 (or 383352 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 55201968 is about 7429.8026891702. The cubic root of 55201968 is about 380.7601772611.

It can be divided in two parts, 55201 and 968, that added together give a square (56169 = 237²).

The spelling of 55201968 in words is "fifty-five million, two hundred one thousand, nine hundred sixty-eight".