54008957 has 4 divisors (see below), whose sum is σ = 54023676. Its totient is φ = 53994240.

The previous prime is 54008953. The next prime is 54008959. The reversal of 54008957 is 75980045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10896601 + 43112356 = 3301^2 + 6566^2 .

It is a cyclic number.

It is not a de Polignac number, because 54008957 - 2² = 54008953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54008957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54008953) 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, 3107 + ... + 10847.

It is an arithmetic number, because the mean of its divisors is an integer number (13505919).

Almost surely, 2^54008957 is an apocalyptic number.

It is an amenable number.

54008957 is a deficient number, since it is larger than the sum of its proper divisors (14719).

54008957 is an equidigital number, since it uses as much as digits as its factorization.

54008957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14718.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 54008957 is about 7349.0786497356. The cubic root of 54008957 is about 377.9972121702.

The spelling of 54008957 in words is "fifty-four million, eight thousand, nine hundred fifty-seven".