55464438 has 16 divisors (see below), whose sum is σ = 117454320. Its totient is φ = 17400576.

The previous prime is 55464427. The next prime is 55464457. The reversal of 55464438 is 83446455.

It is a junction number, because it is equal to n+sod(n) for n = 55464396 and 55464405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271783 + ... + 271986.

It is an arithmetic number, because the mean of its divisors is an integer number (7340895).

Almost surely, 2^55464438 is an apocalyptic number.

55464438 is an abundant number, since it is smaller than the sum of its proper divisors (61989882).

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

55464438 is a wasteful number, since it uses less digits than its factorization.

55464438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543791.

The product of its digits is 230400, while the sum is 39.

The square root of 55464438 is about 7447.4450652556. The cubic root of 55464438 is about 381.3626929066.

The spelling of 55464438 in words is "fifty-five million, four hundred sixty-four thousand, four hundred thirty-eight".