59428681 has 9 divisors (see below), whose sum is σ = 64460469. Its totient is φ = 54764736.

The previous prime is 59428673. The next prime is 59428687. The reversal of 59428681 is 18682495.

It is a happy number.

The square root of 59428681 is 7709.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4372281 + 55056400 = 2091^2 + 7420^2 .

It is not a de Polignac number, because 59428681 - 2³ = 59428673 is a prime.

It is a super-2 number, since 2×59428681² = 7063536250799522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59428687) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 99921 + ... + 100513.

Almost surely, 2^59428681 is an apocalyptic number.

59428681 is the 7709-th square number.

59428681 is the 3855-th centered octagonal number.

It is an amenable number.

59428681 is a deficient number, since it is larger than the sum of its proper divisors (5031788).

59428681 is an frugal number, since it uses more digits than its factorization.

59428681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 606 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The cubic root of 59428681 is about 390.2402223739.

The spelling of 59428681 in words is "fifty-nine million, four hundred twenty-eight thousand, six hundred eighty-one".