56662551 has 16 divisors (see below), whose sum is σ = 91576320. Its totient is φ = 34340760.

The previous prime is 56662537. The next prime is 56662553. The reversal of 56662551 is 15526665.

It is a happy number.

It is not a de Polignac number, because 56662551 - 2²³ = 48273943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56662553) 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, 95095 + ... + 95688.

It is an arithmetic number, because the mean of its divisors is an integer number (5723520).

Almost surely, 2^56662551 is an apocalyptic number.

56662551 is a deficient number, since it is larger than the sum of its proper divisors (34913769).

56662551 is a wasteful number, since it uses less digits than its factorization.

56662551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190803 (or 190797 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 56662551 is about 7527.4531549522. The cubic root of 56662551 is about 384.0891516637.

The spelling of 56662551 in words is "fifty-six million, six hundred sixty-two thousand, five hundred fifty-one".