55372338 has 24 divisors (see below), whose sum is σ = 137112768. Its totient is φ = 15820632.

The previous prime is 55372319. The next prime is 55372367. The reversal of 55372338 is 83327355.

55372338 is a `hidden beast` number, since 553 + 72 + 3 + 38 = 666.

55372338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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, 219606 + ... + 219857.

It is an arithmetic number, because the mean of its divisors is an integer number (5713032).

Almost surely, 2^55372338 is an apocalyptic number.

55372338 is an abundant number, since it is smaller than the sum of its proper divisors (81740430).

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

55372338 is a wasteful number, since it uses less digits than its factorization.

55372338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439478 (or 439475 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 55372338 is about 7441.2591676409. The cubic root of 55372338 is about 381.1514887286.

It can be divided in two parts, 5537 and 2338, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 55372338 in words is "fifty-five million, three hundred seventy-two thousand, three hundred thirty-eight".