54642492 has 24 divisors (see below), whose sum is σ = 141666000. Its totient is φ = 18214128.

The previous prime is 54642487. The next prime is 54642493. The reversal of 54642492 is 29424645.

54642492 is a `hidden beast` number, since 5 + 4 + 642 + 4 + 9 + 2 = 666.

54642492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 252867 + ... + 253082.

It is an arithmetic number, because the mean of its divisors is an integer number (5902750).

Almost surely, 2^54642492 is an apocalyptic number.

It is an amenable number.

54642492 is an abundant number, since it is smaller than the sum of its proper divisors (87023508).

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

54642492 is a wasteful number, since it uses less digits than its factorization.

54642492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505962 (or 505954 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 54642492 is about 7392.0560062813. The cubic root of 54642492 is about 379.4694627743.

The spelling of 54642492 in words is "fifty-four million, six hundred forty-two thousand, four hundred ninety-two".