59999961 has 16 divisors (see below), whose sum is σ = 93296000. Its totient is φ = 34285104.

The previous prime is 59999957. The next prime is 59999971. The reversal of 59999961 is 16999995.

It is not a de Polignac number, because 59999961 - 2² = 59999957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (59999971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28126 + ... + 30183.

It is an arithmetic number, because the mean of its divisors is an integer number (5831000).

Almost surely, 2^59999961 is an apocalyptic number.

It is an amenable number.

59999961 is a deficient number, since it is larger than the sum of its proper divisors (33296039).

59999961 is an equidigital number, since it uses as much as digits as its factorization.

59999961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58333 (or 58319 counting only the distinct ones).

The product of its digits is 1771470, while the sum is 57.

The square root of 59999961 is about 7745.9641749752. The cubic root of 59999961 is about 391.4866792947.

It can be divided in two parts, 599999 and 61, that added together give a triangular number (600060 = T₁₀₉₅).

The spelling of 59999961 in words is "fifty-nine million, nine hundred ninety-nine thousand, nine hundred sixty-one".