54131537 has 4 divisors (see below), whose sum is σ = 54490176. Its totient is φ = 53772900.

The previous prime is 54131531. The next prime is 54131557. The reversal of 54131537 is 73513145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54131537 - 2¹⁰ = 54130513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54131531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179093 + ... + 179394.

It is an arithmetic number, because the mean of its divisors is an integer number (13622544).

Almost surely, 2^54131537 is an apocalyptic number.

It is an amenable number.

54131537 is a deficient number, since it is larger than the sum of its proper divisors (358639).

54131537 is a wasteful number, since it uses less digits than its factorization.

54131537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358638.

The product of its digits is 6300, while the sum is 29.

The square root of 54131537 is about 7357.4137439728. The cubic root of 54131537 is about 378.2829665507.

The spelling of 54131537 in words is "fifty-four million, one hundred thirty-one thousand, five hundred thirty-seven".