55201172 has 12 divisors (see below), whose sum is σ = 104033076. Its totient is φ = 25477440.

The previous prime is 55201169. The next prime is 55201183. The reversal of 55201172 is 27110255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9449476 + 45751696 = 3074^2 + 6764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530729 + ... + 530832.

It is an arithmetic number, because the mean of its divisors is an integer number (8669423).

Almost surely, 2^55201172 is an apocalyptic number.

55201172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55201172 is a deficient number, since it is larger than the sum of its proper divisors (48831904).

55201172 is a wasteful number, since it uses less digits than its factorization.

55201172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061578 (or 1061576 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 55201172 is about 7429.7491209327. The cubic root of 55201172 is about 380.7583470935.

The spelling of 55201172 in words is "fifty-five million, two hundred one thousand, one hundred seventy-two".