564552477 has 16 divisors (see below), whose sum is σ = 842484480. Its totient is φ = 373618656.

The previous prime is 564552451. The next prime is 564552479. The reversal of 564552477 is 774255465.

564552477 is a `hidden beast` number, since 56 + 4 + 5 + 524 + 77 = 666.

It is not a de Polignac number, because 564552477 - 2⁶ = 564552413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564552479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72613 + ... + 80010.

It is an arithmetic number, because the mean of its divisors is an integer number (52655280).

Almost surely, 2^564552477 is an apocalyptic number.

It is an amenable number.

564552477 is a deficient number, since it is larger than the sum of its proper divisors (277932003).

564552477 is a wasteful number, since it uses less digits than its factorization.

564552477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152769 (or 152763 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 45.

The square root of 564552477 is about 23760.3130661193. The cubic root of 564552477 is about 826.4846127418.

The spelling of 564552477 in words is "five hundred sixty-four million, five hundred fifty-two thousand, four hundred seventy-seven".