59400021 has 16 divisors (see below), whose sum is σ = 82172160. Its totient is φ = 38138880.

The previous prime is 59400017. The next prime is 59400041. The reversal of 59400021 is 12000495.

It is not a de Polignac number, because 59400021 - 2² = 59400017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59400041) 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, 6661 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (5135760).

Almost surely, 2^59400021 is an apocalyptic number.

It is an amenable number.

59400021 is a deficient number, since it is larger than the sum of its proper divisors (22772139).

59400021 is a wasteful number, since it uses less digits than its factorization.

59400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 59400021 is about 7707.1409095721. The cubic root of 59400021 is about 390.1774800359.

The spelling of 59400021 in words is "fifty-nine million, four hundred thousand, twenty-one".