56737481 has 8 divisors (see below), whose sum is σ = 60649344. Its totient is φ = 52946080.

The previous prime is 56737463. The next prime is 56737489. The reversal of 56737481 is 18473765.

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

It is a cyclic number.

It is not a de Polignac number, because 56737481 - 2¹⁸ = 56475337 is a prime.

It is a super-2 number, since 2×56737481² = 6438283500450722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (56737489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29141 + ... + 31026.

It is an arithmetic number, because the mean of its divisors is an integer number (7581168).

Almost surely, 2^56737481 is an apocalyptic number.

It is an amenable number.

56737481 is a deficient number, since it is larger than the sum of its proper divisors (3911863).

56737481 is a wasteful number, since it uses less digits than its factorization.

56737481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60231.

The product of its digits is 141120, while the sum is 41.

The square root of 56737481 is about 7532.4286256160. The cubic root of 56737481 is about 384.2583823278.

The spelling of 56737481 in words is "fifty-six million, seven hundred thirty-seven thousand, four hundred eighty-one".