54490657 has 8 divisors (see below), whose sum is σ = 61233984. Its totient is φ = 48111888.

The previous prime is 54490649. The next prime is 54490663. The reversal of 54490657 is 75609445.

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 54490657 - 2³ = 54490649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54490607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90823 + ... + 91420.

It is an arithmetic number, because the mean of its divisors is an integer number (7654248).

Almost surely, 2^54490657 is an apocalyptic number.

It is an amenable number.

54490657 is a deficient number, since it is larger than the sum of its proper divisors (6743327).

54490657 is a wasteful number, since it uses less digits than its factorization.

54490657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182279.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 54490657 is about 7381.7787151878. The cubic root of 54490657 is about 379.1176596700.

The spelling of 54490657 in words is "fifty-four million, four hundred ninety thousand, six hundred fifty-seven".