32401612553 has 16 divisors (see below), whose sum is σ = 35302127616. Its totient is φ = 29618280960.

The previous prime is 32401612543. The next prime is 32401612561. The reversal of 32401612553 is 35521610423.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32401612553 - 2¹⁴ = 32401596169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32401612543) 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, 51200 + ... + 259662.

It is an arithmetic number, because the mean of its divisors is an integer number (2206382976).

Almost surely, 2^32401612553 is an apocalyptic number.

It is an amenable number.

32401612553 is a deficient number, since it is larger than the sum of its proper divisors (2900515063).

32401612553 is a wasteful number, since it uses less digits than its factorization.

32401612553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208744.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 32401612553 in words is "thirty-two billion, four hundred one million, six hundred twelve thousand, five hundred fifty-three".