59491806 has 48 divisors (see below), whose sum is σ = 137928960. Its totient is φ = 16961920.

The previous prime is 59491787. The next prime is 59491807. The reversal of 59491806 is 60819495.

It is a super-2 number, since 2×59491806² = 7078549962283272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59491807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17515 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (2873520).

Almost surely, 2^59491806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59491806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68964480).

59491806 is an abundant number, since it is smaller than the sum of its proper divisors (78437154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

59491806 is a wasteful number, since it uses less digits than its factorization.

59491806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 59491806 is about 7713.0931538521. The cubic root of 59491806 is about 390.3783442186.

The spelling of 59491806 in words is "fifty-nine million, four hundred ninety-one thousand, eight hundred six".