55131332001 has 8 divisors (see below), whose sum is σ = 73536955680. Its totient is φ = 36739964832.

The previous prime is 55131331973. The next prime is 55131332021. The reversal of 55131332001 is 10023313155.

55131332001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55131332001 - 2⁷ = 55131331873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55131332021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555100 + ... + 3570573.

It is an arithmetic number, because the mean of its divisors is an integer number (9192119460).

Almost surely, 2^55131332001 is an apocalyptic number.

It is an amenable number.

55131332001 is a deficient number, since it is larger than the sum of its proper divisors (18405623679).

55131332001 is a wasteful number, since it uses less digits than its factorization.

55131332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128255.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 55131332001 its reverse (10023313155), we get a palindrome (65154645156).

The spelling of 55131332001 in words is "fifty-five billion, one hundred thirty-one million, three hundred thirty-two thousand, one".