54255492 has 18 divisors (see below), whose sum is σ = 137145918. Its totient is φ = 18085152.

The previous prime is 54255473. The next prime is 54255511. The reversal of 54255492 is 29455245.

It is an interprime number because it is at equal distance from previous prime (54255473) and next prime (54255511).

It can be written as a sum of positive squares in only one way, i.e., 29095236 + 25160256 = 5394^2 + 5016^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1507097 = 54255492 / (5 + 4 + 2 + 5 + 5 + 4 + 9 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753513 + ... + 753584.

Almost surely, 2^54255492 is an apocalyptic number.

It is an amenable number.

54255492 is an abundant number, since it is smaller than the sum of its proper divisors (82890426).

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

54255492 is a wasteful number, since it uses less digits than its factorization.

54255492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507107 (or 1507102 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 54255492 is about 7365.8327431459. The cubic root of 54255492 is about 378.5714879452.

The spelling of 54255492 in words is "fifty-four million, two hundred fifty-five thousand, four hundred ninety-two".