54642537 has 12 divisors (see below), whose sum is σ = 83082480. Its totient is φ = 34510968.

The previous prime is 54642527. The next prime is 54642557. The reversal of 54642537 is 73524645.

54642537 is a `hidden beast` number, since 5 + 4 + 642 + 5 + 3 + 7 = 666.

54642537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54642537 - 2⁸ = 54642281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54642527) 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 11 ways as a sum of consecutive naturals, for example, 159603 + ... + 159944.

It is an arithmetic number, because the mean of its divisors is an integer number (6923540).

Almost surely, 2^54642537 is an apocalyptic number.

54642537 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

54642537 is a deficient number, since it is larger than the sum of its proper divisors (28439943).

54642537 is a wasteful number, since it uses less digits than its factorization.

54642537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319572 (or 319569 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 54642537 is about 7392.0590500888. The cubic root of 54642537 is about 379.4695669430.

It can be divided in two parts, 5464 and 2537, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 54642537 in words is "fifty-four million, six hundred forty-two thousand, five hundred thirty-seven".