55173452 has 6 divisors (see below), whose sum is σ = 96553548. Its totient is φ = 27586724.

The previous prime is 55173451. The next prime is 55173491. The reversal of 55173452 is 25437155.

It is not an unprimeable number, because it can be changed into a prime (55173451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6896678 + ... + 6896685.

It is an arithmetic number, because the mean of its divisors is an integer number (16092258).

Almost surely, 2^55173452 is an apocalyptic number.

It is an amenable number.

55173452 is a deficient number, since it is larger than the sum of its proper divisors (41380096).

55173452 is a wasteful number, since it uses less digits than its factorization.

55173452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793367 (or 13793365 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 55173452 is about 7427.8834131938. The cubic root of 55173452 is about 380.6946021391.

The spelling of 55173452 in words is "fifty-five million, one hundred seventy-three thousand, four hundred fifty-two".