54188965 has 8 divisors (see below), whose sum is σ = 67269240. Its totient is φ = 41856192.

The previous prime is 54188941. The next prime is 54188971. The reversal of 54188965 is 56988145.

It can be written as a sum of positive squares in 4 ways, for example, as 5997601 + 48191364 = 2449^2 + 6942^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54188965 - 2²³ = 45800357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186714 + ... + 187003.

It is an arithmetic number, because the mean of its divisors is an integer number (8408655).

Almost surely, 2^54188965 is an apocalyptic number.

It is an amenable number.

54188965 is a deficient number, since it is larger than the sum of its proper divisors (13080275).

54188965 is a wasteful number, since it uses less digits than its factorization.

54188965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373751.

The product of its digits is 345600, while the sum is 46.

The square root of 54188965 is about 7361.3154395122. The cubic root of 54188965 is about 378.4166923946.

The spelling of 54188965 in words is "fifty-four million, one hundred eighty-eight thousand, nine hundred sixty-five".