54401731 has 8 divisors (see below), whose sum is σ = 57834000. Its totient is φ = 51026400.

The previous prime is 54401723. The next prime is 54401749. The reversal of 54401731 is 13710445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54401731 - 2³ = 54401723 is a prime.

It is a super-2 number, since 2×54401731² = 5919096671592722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54401696 and 54401705.

It is not an unprimeable number, because it can be changed into a prime (54401761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12256 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (7229250).

Almost surely, 2^54401731 is an apocalyptic number.

54401731 is a deficient number, since it is larger than the sum of its proper divisors (3432269).

54401731 is a wasteful number, since it uses less digits than its factorization.

54401731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28469.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 54401731 is about 7375.7529107204. The cubic root of 54401731 is about 378.9113137565.

The spelling of 54401731 in words is "fifty-four million, four hundred one thousand, seven hundred thirty-one".