59431681 has 8 divisors (see below), whose sum is σ = 61438464. Its totient is φ = 57430560.

The previous prime is 59431667. The next prime is 59431693. The reversal of 59431681 is 18613495.

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 59431681 - 2⁵ = 59431649 is a prime.

It is a super-2 number, since 2×59431681² = 7064249412971522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 59431681.

It is not an unprimeable number, because it can be changed into a prime (59431081) 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, 36180 + ... + 37786.

It is an arithmetic number, because the mean of its divisors is an integer number (7679808).

Almost surely, 2^59431681 is an apocalyptic number.

It is an amenable number.

59431681 is a deficient number, since it is larger than the sum of its proper divisors (2006783).

59431681 is a wasteful number, since it uses less digits than its factorization.

59431681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its digits is 25920, while the sum is 37.

The square root of 59431681 is about 7709.1945753107. The cubic root of 59431681 is about 390.2467887935.

The spelling of 59431681 in words is "fifty-nine million, four hundred thirty-one thousand, six hundred eighty-one".