54131263 has 4 divisors (see below), whose sum is σ = 55283040. Its totient is φ = 52979488.

The previous prime is 54131257. The next prime is 54131269. The reversal of 54131263 is 36213145.

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

It is an interprime number because it is at equal distance from previous prime (54131257) and next prime (54131269).

It is a cyclic number.

It is not a de Polignac number, because 54131263 - 2⁹ = 54130751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131269) 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, 575818 + ... + 575911.

It is an arithmetic number, because the mean of its divisors is an integer number (13820760).

Almost surely, 2^54131263 is an apocalyptic number.

54131263 is a deficient number, since it is larger than the sum of its proper divisors (1151777).

54131263 is a wasteful number, since it uses less digits than its factorization.

54131263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151776.

The product of its digits is 2160, while the sum is 25.

The square root of 54131263 is about 7357.3951232756. The cubic root of 54131263 is about 378.2823282924.

The spelling of 54131263 in words is "fifty-four million, one hundred thirty-one thousand, two hundred sixty-three".