56477527 has 2 divisors, whose sum is σ = 56477528. Its totient is φ = 56477526.

The previous prime is 56477479. The next prime is 56477591. The reversal of 56477527 is 72577465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56477527 - 2²³ = 48088919 is a prime.

It is a super-2 number, since 2×56477527² = 6379422112071458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56477227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28238763 + 28238764.

It is an arithmetic number, because the mean of its divisors is an integer number (28238764).

Almost surely, 2^56477527 is an apocalyptic number.

56477527 is a deficient number, since it is larger than the sum of its proper divisors (1).

56477527 is an equidigital number, since it uses as much as digits as its factorization.

56477527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 411600, while the sum is 43.

The square root of 56477527 is about 7515.1531587853. The cubic root of 56477527 is about 383.6706318334.

The spelling of 56477527 in words is "fifty-six million, four hundred seventy-seven thousand, five hundred twenty-seven".