56401153222 has 4 divisors (see below), whose sum is σ = 84601729836. Its totient is φ = 28200576610.

The previous prime is 56401153213. The next prime is 56401153267. The reversal of 56401153222 is 22235110465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100288304 + ... + 14100288307.

It is an arithmetic number, because the mean of its divisors is an integer number (21150432459).

Almost surely, 2^56401153222 is an apocalyptic number.

56401153222 is a deficient number, since it is larger than the sum of its proper divisors (28200576614).

56401153222 is a wasteful number, since it uses less digits than its factorization.

56401153222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28200576613.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 56401153222 its reverse (22235110465), we get a palindrome (78636263687).

The spelling of 56401153222 in words is "fifty-six billion, four hundred one million, one hundred fifty-three thousand, two hundred twenty-two".