54271905 has 64 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 25518080.

The previous prime is 54271901. The next prime is 54271907. The reversal of 54271905 is 50917245.

It is not a de Polignac number, because 54271905 - 2² = 54271901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54271901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303106 + ... + 303284.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^54271905 is an apocalyptic number.

It is an amenable number.

54271905 is a deficient number, since it is larger than the sum of its proper divisors (43705695).

54271905 is a wasteful number, since it uses less digits than its factorization.

54271905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 54271905 is about 7366.9467895459. The cubic root of 54271905 is about 378.6096583814.

The spelling of 54271905 in words is "fifty-four million, two hundred seventy-one thousand, nine hundred five".