54131571 has 20 divisors (see below), whose sum is σ = 87085152. Its totient is φ = 33311088.

The previous prime is 54131563. The next prime is 54131593. The reversal of 54131571 is 17513145.

It is not a de Polignac number, because 54131571 - 2³ = 54131563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 24651 + ... + 26756.

Almost surely, 2^54131571 is an apocalyptic number.

54131571 is a deficient number, since it is larger than the sum of its proper divisors (32953581).

54131571 is a wasteful number, since it uses less digits than its factorization.

54131571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51432 (or 51423 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 54131571 is about 7357.4160545670. The cubic root of 54131571 is about 378.2830457505.

The spelling of 54131571 in words is "fifty-four million, one hundred thirty-one thousand, five hundred seventy-one".