54208831 has 4 divisors (see below), whose sum is σ = 54254592. Its totient is φ = 54163072.

The previous prime is 54208823. The next prime is 54208837. The reversal of 54208831 is 13880245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54208831 - 2³ = 54208823 is a prime.

It is a super-2 number, since 2×54208831² = 5877194716773122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54208793 and 54208802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54208837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21055 + ... + 23488.

It is an arithmetic number, because the mean of its divisors is an integer number (13563648).

Almost surely, 2^54208831 is an apocalyptic number.

54208831 is a deficient number, since it is larger than the sum of its proper divisors (45761).

54208831 is a wasteful number, since it uses less digits than its factorization.

54208831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45760.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 54208831 is about 7362.6646670889. The cubic root of 54208831 is about 378.4629300221.

The spelling of 54208831 in words is "fifty-four million, two hundred eight thousand, eight hundred thirty-one".