54638280 has 64 divisors (see below), whose sum is σ = 182131200. Its totient is φ = 14569920.

The previous prime is 54638261. The next prime is 54638303. The reversal of 54638280 is 8283645.

54638280 is a `hidden beast` number, since 546 + 38 + 2 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24216 + ... + 26375.

It is an arithmetic number, because the mean of its divisors is an integer number (2845800).

Almost surely, 2^54638280 is an apocalyptic number.

It is an amenable number.

54638280 is an abundant number, since it is smaller than the sum of its proper divisors (127492920).

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

54638280 is a wasteful number, since it uses less digits than its factorization.

54638280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50611 (or 50601 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 54638280 is about 7391.7711003521. The cubic root of 54638280 is about 379.4597123256.

The spelling of 54638280 in words is "fifty-four million, six hundred thirty-eight thousand, two hundred eighty".