56077551 has 12 divisors (see below), whose sum is σ = 82529928. Its totient is φ = 36679344.

The previous prime is 56077529. The next prime is 56077559. The reversal of 56077551 is 15577065.

It is not a de Polignac number, because 56077551 - 2⁶ = 56077487 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56077559) 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, 58305 + ... + 59258.

It is an arithmetic number, because the mean of its divisors is an integer number (6877494).

Almost surely, 2^56077551 is an apocalyptic number.

56077551 is a deficient number, since it is larger than the sum of its proper divisors (26452377).

56077551 is a wasteful number, since it uses less digits than its factorization.

56077551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117622 (or 117619 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 56077551 is about 7488.4945750131. The cubic root of 56077551 is about 382.7627619100.

The spelling of 56077551 in words is "fifty-six million, seventy-seven thousand, five hundred fifty-one".