32100552421 has 32 divisors (see below), whose sum is σ = 39936614400. Its totient is φ = 25179128640.

The previous prime is 32100552409. The next prime is 32100552427. The reversal of 32100552421 is 12425500123.

It is a cyclic number.

It is not a de Polignac number, because 32100552421 - 2¹⁵ = 32100519653 is a prime.

It is a super-2 number, since 2×32100552421² (a number of 22 digits) 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 (32100552427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2314335 + ... + 2328163.

It is an arithmetic number, because the mean of its divisors is an integer number (1248019200).

Almost surely, 2^32100552421 is an apocalyptic number.

32100552421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32100552421 is a deficient number, since it is larger than the sum of its proper divisors (7836061979).

32100552421 is a wasteful number, since it uses less digits than its factorization.

32100552421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 32100552421 in words is "thirty-two billion, one hundred million, five hundred fifty-two thousand, four hundred twenty-one".