54427971 has 24 divisors (see below), whose sum is σ = 81140736. Its totient is φ = 32404320.

The previous prime is 54427969. The next prime is 54427987. The reversal of 54427971 is 17972445.

It is not a de Polignac number, because 54427971 - 2¹ = 54427969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (54427271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13986 + ... + 17448.

It is an arithmetic number, because the mean of its divisors is an integer number (3380864).

Almost surely, 2^54427971 is an apocalyptic number.

54427971 is a deficient number, since it is larger than the sum of its proper divisors (26712765).

54427971 is a wasteful number, since it uses less digits than its factorization.

54427971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523 (or 3510 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 54427971 is about 7377.5314977301. The cubic root of 54427971 is about 378.9722250214.

The spelling of 54427971 in words is "fifty-four million, four hundred twenty-seven thousand, nine hundred seventy-one".