54002531 has 4 divisors (see below), whose sum is σ = 58911864. Its totient is φ = 49093200.

The previous prime is 54002521. The next prime is 54002549. The reversal of 54002531 is 13520045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54002531 - 2⁶ = 54002467 is a prime.

It is a super-2 number, since 2×54002531² = 5832546708811922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54002521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454650 + ... + 2454671.

It is an arithmetic number, because the mean of its divisors is an integer number (14727966).

Almost surely, 2^54002531 is an apocalyptic number.

54002531 is a deficient number, since it is larger than the sum of its proper divisors (4909333).

54002531 is a wasteful number, since it uses less digits than its factorization.

54002531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909332.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 54002531 is about 7348.6414390689. The cubic root of 54002531 is about 377.9822201728.

Adding to 54002531 its reverse (13520045), we get a palindrome (67522576).

The spelling of 54002531 in words is "fifty-four million, two thousand, five hundred thirty-one".