54401831 has 12 divisors (see below), whose sum is σ = 62046600. Its totient is φ = 47300880.

The previous prime is 54401821. The next prime is 54401839. The reversal of 54401831 is 13810445.

It is a de Polignac number, because none of the positive numbers 2^k-54401831 is a prime.

It is a super-2 number, since 2×54401831² = 5919118432305122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54401831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54401839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1145 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (5170550).

Almost surely, 2^54401831 is an apocalyptic number.

54401831 is a deficient number, since it is larger than the sum of its proper divisors (7644769).

54401831 is a wasteful number, since it uses less digits than its factorization.

54401831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9383 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 54401831 is about 7375.7596896862. The cubic root of 54401831 is about 378.9115459251.

The spelling of 54401831 in words is "fifty-four million, four hundred one thousand, eight hundred thirty-one".