59899421 has 4 divisors (see below), whose sum is σ = 59947392. Its totient is φ = 59851452.

The previous prime is 59899417. The next prime is 59899507. The reversal of 59899421 is 12499895.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 59899421 - 2² = 59899417 is a prime.

It is a super-2 number, since 2×59899421² = 7175881272270482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59899121) 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, 22061 + ... + 24626.

It is an arithmetic number, because the mean of its divisors is an integer number (14986848).

Almost surely, 2^59899421 is an apocalyptic number.

It is an amenable number.

59899421 is a deficient number, since it is larger than the sum of its proper divisors (47971).

59899421 is a wasteful number, since it uses less digits than its factorization.

59899421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47970.

The product of its digits is 233280, while the sum is 47.

The square root of 59899421 is about 7739.4716227918. The cubic root of 59899421 is about 391.2678898413.

The spelling of 59899421 in words is "fifty-nine million, eight hundred ninety-nine thousand, four hundred twenty-one".