51553101002 has 32 divisors (see below), whose sum is σ = 89895415680. Its totient is φ = 21974420160.

The previous prime is 51553100993. The next prime is 51553101013. The reversal of 51553101002 is 20010135515.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469024 + ... + 1503707.

It is an arithmetic number, because the mean of its divisors is an integer number (2809231740).

Almost surely, 2^51553101002 is an apocalyptic number.

51553101002 is a deficient number, since it is larger than the sum of its proper divisors (38342314678).

51553101002 is a wasteful number, since it uses less digits than its factorization.

51553101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972798.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 51553101002 its reverse (20010135515), we get a palindrome (71563236517).

The spelling of 51553101002 in words is "fifty-one billion, five hundred fifty-three million, one hundred one thousand, two".