54642520 has 32 divisors (see below), whose sum is σ = 124786800. Its totient is φ = 21529728.

The previous prime is 54642493. The next prime is 54642527. The reversal of 54642520 is 2524645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515 + ... + 12874.

Almost surely, 2^54642520 is an apocalyptic number.

It is an amenable number.

54642520 is an abundant number, since it is smaller than the sum of its proper divisors (70144280).

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

54642520 is a wasteful number, since it uses less digits than its factorization.

54642520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20467 (or 20463 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 54642520 is about 7392.0579002061. The cubic root of 54642520 is about 379.4695275904.

The spelling of 54642520 in words is "fifty-four million, six hundred forty-two thousand, five hundred twenty".