54272491 has 16 divisors (see below), whose sum is σ = 67211200. Its totient is φ = 42928704.

The previous prime is 54272473. The next prime is 54272497. The reversal of 54272491 is 19427245.

It is not a de Polignac number, because 54272491 - 2⁷ = 54272363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54272497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13615 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (4200700).

Almost surely, 2^54272491 is an apocalyptic number.

54272491 is a deficient number, since it is larger than the sum of its proper divisors (12938709).

54272491 is an equidigital number, since it uses as much as digits as its factorization.

54272491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575 (or 3549 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 54272491 is about 7366.9865616818. The cubic root of 54272491 is about 378.6110210536.

The spelling of 54272491 in words is "fifty-four million, two hundred seventy-two thousand, four hundred ninety-one".