56698477 has 8 divisors (see below), whose sum is σ = 61911360. Its totient is φ = 51495360.

The previous prime is 56698441. The next prime is 56698487. The reversal of 56698477 is 77489665.

It is a happy number.

56698477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56698477 is a prime.

It is a super-4 number, since 4×56698477⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56698487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15424 + ... + 18742.

It is an arithmetic number, because the mean of its divisors is an integer number (7738920).

Almost surely, 2^56698477 is an apocalyptic number.

It is an amenable number.

56698477 is a deficient number, since it is larger than the sum of its proper divisors (5212883).

56698477 is a wasteful number, since it uses less digits than its factorization.

56698477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883.

The product of its digits is 2540160, while the sum is 52.

The square root of 56698477 is about 7529.8391085069. The cubic root of 56698477 is about 384.1703097440.

It can be divided in two parts, 56698 and 477, that added together give a palindrome (57175).

The spelling of 56698477 in words is "fifty-six million, six hundred ninety-eight thousand, four hundred seventy-seven".