59691643 has 4 divisors (see below), whose sum is σ = 65118168. Its totient is φ = 54265120.

The previous prime is 59691637. The next prime is 59691649. The reversal of 59691643 is 34619695.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (59691637) and next prime (59691649).

It is a cyclic number.

It is not a de Polignac number, because 59691643 - 2¹³ = 59683451 is a prime.

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 59691643.

It is not an unprimeable number, because it can be changed into a prime (59691649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713246 + ... + 2713267.

It is an arithmetic number, because the mean of its divisors is an integer number (16279542).

Almost surely, 2^59691643 is an apocalyptic number.

59691643 is a deficient number, since it is larger than the sum of its proper divisors (5426525).

59691643 is a wasteful number, since it uses less digits than its factorization.

59691643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426524.

The product of its digits is 174960, while the sum is 43.

The square root of 59691643 is about 7726.0366941919. The cubic root of 59691643 is about 390.8149581314.

The spelling of 59691643 in words is "fifty-nine million, six hundred ninety-one thousand, six hundred forty-three".