54807566 has 16 divisors (see below), whose sum is σ = 92579328. Its totient is φ = 24108600.

The previous prime is 54807547. The next prime is 54807581. The reversal of 54807566 is 66570845.

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, 39500 + ... + 40863.

It is an arithmetic number, because the mean of its divisors is an integer number (5786208).

Almost surely, 2^54807566 is an apocalyptic number.

54807566 is a deficient number, since it is larger than the sum of its proper divisors (37771762).

54807566 is a wasteful number, since it uses less digits than its factorization.

54807566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80407.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 54807566 is about 7403.2132212979. The cubic root of 54807566 is about 379.8512021301.

The spelling of 54807566 in words is "fifty-four million, eight hundred seven thousand, five hundred sixty-six".