51553034422 has 4 divisors (see below), whose sum is σ = 77329551636. Its totient is φ = 25776517210.

The previous prime is 51553034413. The next prime is 51553034453. The reversal of 51553034422 is 22443035515.

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, 12888258604 + ... + 12888258607.

It is an arithmetic number, because the mean of its divisors is an integer number (19332387909).

Almost surely, 2^51553034422 is an apocalyptic number.

51553034422 is a deficient number, since it is larger than the sum of its proper divisors (25776517214).

51553034422 is a wasteful number, since it uses less digits than its factorization.

51553034422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776517213.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 51553034422 its reverse (22443035515), we get a palindrome (73996069937).

The spelling of 51553034422 in words is "fifty-one billion, five hundred fifty-three million, thirty-four thousand, four hundred twenty-two".