54057566 has 16 divisors (see below), whose sum is σ = 84399840. Its totient is φ = 25935840.

The previous prime is 54057551. The next prime is 54057589. The reversal of 54057566 is 66575045.

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, 6896 + ... + 12476.

It is an arithmetic number, because the mean of its divisors is an integer number (5274990).

Almost surely, 2^54057566 is an apocalyptic number.

54057566 is a deficient number, since it is larger than the sum of its proper divisors (30342274).

54057566 is a wasteful number, since it uses less digits than its factorization.

54057566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 54057566 is about 7352.3850552049. The cubic root of 54057566 is about 378.1105795197.

The spelling of 54057566 in words is "fifty-four million, fifty-seven thousand, five hundred sixty-six".