54449731 has 6 divisors (see below), whose sum is σ = 63339540. Its totient is φ = 46671156.

The previous prime is 54449711. The next prime is 54449749. The reversal of 54449731 is 13794445.

It is a de Polignac number, because none of the positive numbers 2^k-54449731 is a prime.

It is a super-2 number, since 2×54449731² = 5929546411944722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54449711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555561 + ... + 555658.

It is an arithmetic number, because the mean of its divisors is an integer number (10556590).

Almost surely, 2^54449731 is an apocalyptic number.

54449731 is a deficient number, since it is larger than the sum of its proper divisors (8889809).

54449731 is a wasteful number, since it uses less digits than its factorization.

54449731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111233 (or 1111226 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 54449731 is about 7379.0060983848. The cubic root of 54449731 is about 379.0227219549.

The spelling of 54449731 in words is "fifty-four million, four hundred forty-nine thousand, seven hundred thirty-one".