54490057 has 4 divisors (see below), whose sum is σ = 54511380. Its totient is φ = 54468736.

The previous prime is 54490031. The next prime is 54490063. The reversal of 54490057 is 75009445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 53743561 = 864^2 + 7331^2 .

It is a cyclic number.

It is not a de Polignac number, because 54490057 - 2²³ = 46101449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54490087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6208 + ... + 12145.

It is an arithmetic number, because the mean of its divisors is an integer number (13627845).

Almost surely, 2^54490057 is an apocalyptic number.

It is an amenable number.

54490057 is a deficient number, since it is larger than the sum of its proper divisors (21323).

54490057 is a wasteful number, since it uses less digits than its factorization.

54490057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21322.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 54490057 is about 7381.7380744646. The cubic root of 54490057 is about 379.1162681689.

It can be divided in two parts, 544 and 90057, that added together give a square (90601 = 301²).

The spelling of 54490057 in words is "fifty-four million, four hundred ninety thousand, fifty-seven".