32401204553 has 4 divisors (see below), whose sum is σ = 34307157780. Its totient is φ = 30495251328.

The previous prime is 32401204481. The next prime is 32401204567. The reversal of 32401204553 is 35540210423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35540210423 = 89 ⋅399328207.

It can be written as a sum of positive squares in 2 ways, for example, as 22161383689 + 10239820864 = 148867^2 + 101192^2 .

It is a cyclic number.

It is not a de Polignac number, because 32401204553 - 2¹² = 32401200457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32401204573) 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, 952976588 + ... + 952976621.

It is an arithmetic number, because the mean of its divisors is an integer number (8576789445).

Almost surely, 2^32401204553 is an apocalyptic number.

It is an amenable number.

32401204553 is a deficient number, since it is larger than the sum of its proper divisors (1905953227).

32401204553 is a wasteful number, since it uses less digits than its factorization.

32401204553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905953226.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 32401204553 its reverse (35540210423), we get a palindrome (67941414976).

The spelling of 32401204553 in words is "thirty-two billion, four hundred one million, two hundred four thousand, five hundred fifty-three".