54845577 has 12 divisors (see below), whose sum is σ = 81154164. Its totient is φ = 35671680.

The previous prime is 54845573. The next prime is 54845579. The reversal of 54845577 is 77554845.

It can be written as a sum of positive squares in 2 ways, for example, as 10169721 + 44675856 = 3189^2 + 6684^2 .

It is not a de Polignac number, because 54845577 - 2² = 54845573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54845573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73948 + ... + 74685.

It is an arithmetic number, because the mean of its divisors is an integer number (6762847).

Almost surely, 2^54845577 is an apocalyptic number.

It is an amenable number.

54845577 is a deficient number, since it is larger than the sum of its proper divisors (26308587).

54845577 is a wasteful number, since it uses less digits than its factorization.

54845577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148680 (or 148677 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The square root of 54845577 is about 7405.7799724269. The cubic root of 54845577 is about 379.9389952854.

The spelling of 54845577 in words is "fifty-four million, eight hundred forty-five thousand, five hundred seventy-seven".