54090667 has 4 divisors (see below), whose sum is σ = 54109800. Its totient is φ = 54071536.

The previous prime is 54090649. The next prime is 54090671. The reversal of 54090667 is 76609045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54090667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54090607) 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, 4393 + ... + 11290.

It is an arithmetic number, because the mean of its divisors is an integer number (13527450).

Almost surely, 2^54090667 is an apocalyptic number.

54090667 is a deficient number, since it is larger than the sum of its proper divisors (19133).

54090667 is a wasteful number, since it uses less digits than its factorization.

54090667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19132.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 54090667 is about 7354.6357489681. The cubic root of 54090667 is about 378.1877397613.

The spelling of 54090667 in words is "fifty-four million, ninety thousand, six hundred sixty-seven".