54782577 has 6 divisors (see below), whose sum is σ = 79130402. Its totient is φ = 36521712.

The previous prime is 54782569. The next prime is 54782579. The reversal of 54782577 is 77528745.

54782577 is a `hidden beast` number, since 5 + 4 + 78 + 2 + 577 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53934336 + 848241 = 7344^2 + 921^2 .

It is not a de Polignac number, because 54782577 - 2³ = 54782569 is a prime.

It is a super-2 number, since 2×54782577² = 6002261485521858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54782579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3043468 + ... + 3043485.

Almost surely, 2^54782577 is an apocalyptic number.

It is an amenable number.

54782577 is a deficient number, since it is larger than the sum of its proper divisors (24347825).

54782577 is a wasteful number, since it uses less digits than its factorization.

54782577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086959 (or 6086956 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The square root of 54782577 is about 7401.5253157711. The cubic root of 54782577 is about 379.7934634798.

The spelling of 54782577 in words is "fifty-four million, seven hundred eighty-two thousand, five hundred seventy-seven".