54875720 has 16 divisors (see below), whose sum is σ = 123470460. Its totient is φ = 21950272.

The previous prime is 54875719. The next prime is 54875741. The reversal of 54875720 is 2757845.

It can be written as a sum of positive squares in 2 ways, for example, as 45670564 + 9205156 = 6758^2 + 3034^2 .

It is a super-2 number, since 2×54875720² = 6022689291036800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685907 + ... + 685986.

Almost surely, 2^54875720 is an apocalyptic number.

It is an amenable number.

54875720 is an abundant number, since it is smaller than the sum of its proper divisors (68594740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54875720 is a wasteful number, since it uses less digits than its factorization.

54875720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371904 (or 1371900 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 54875720 is about 7407.8147925012. The cubic root of 54875720 is about 380.0085870636.

The spelling of 54875720 in words is "fifty-four million, eight hundred seventy-five thousand, seven hundred twenty".