54520785 has 144 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 22809600.

The previous prime is 54520771. The next prime is 54520813. The reversal of 54520785 is 58702545.

It is a happy number.

54520785 is a `hidden beast` number, since 54 + 520 + 7 + 85 = 666.

It is not a de Polignac number, because 54520785 - 2⁴ = 54520769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1758720 + ... + 1758750.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^54520785 is an apocalyptic number.

54520785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54520785 is an abundant number, since it is smaller than the sum of its proper divisors (64987695).

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

54520785 is a wasteful number, since it uses less digits than its factorization.

54520785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 54520785 is about 7383.8191337546. The cubic root of 54520785 is about 379.1875184497.

The spelling of 54520785 in words is "fifty-four million, five hundred twenty thousand, seven hundred eighty-five".