54002131 has 4 divisors (see below), whose sum is σ = 54558952. Its totient is φ = 53445312.

The previous prime is 54002111. The next prime is 54002153. The reversal of 54002131 is 13120045.

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 54002131 - 2¹⁹ = 53477843 is a prime.

It is a super-2 number, since 2×54002131² = 5832460305082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54002101) 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, 278265 + ... + 278458.

It is an arithmetic number, because the mean of its divisors is an integer number (13639738).

Almost surely, 2^54002131 is an apocalyptic number.

54002131 is a deficient number, since it is larger than the sum of its proper divisors (556821).

54002131 is an equidigital number, since it uses as much as digits as its factorization.

54002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556820.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 54002131 is about 7348.6142231036. The cubic root of 54002131 is about 377.9812869248.

Adding to 54002131 its reverse (13120045), we get a palindrome (67122176).

The spelling of 54002131 in words is "fifty-four million, two thousand, one hundred thirty-one".