54538290 has 48 divisors (see below), whose sum is σ = 147970368. Its totient is φ = 13910688.

The previous prime is 54538279. The next prime is 54538301. The reversal of 54538290 is 9283545.

It is an interprime number because it is at equal distance from previous prime (54538279) and next prime (54538301).

It is a super-2 number, since 2×54538290² = 5948850152248200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11104 + ... + 15243.

It is an arithmetic number, because the mean of its divisors is an integer number (3082716).

Almost surely, 2^54538290 is an apocalyptic number.

54538290 is an abundant number, since it is smaller than the sum of its proper divisors (93432078).

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

54538290 is a wasteful number, since it uses less digits than its factorization.

54538290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26383 (or 26380 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 54538290 is about 7385.0044008111. The cubic root of 54538290 is about 379.2280960462.

The spelling of 54538290 in words is "fifty-four million, five hundred thirty-eight thousand, two hundred ninety".