51232617634 has 16 divisors (see below), whose sum is σ = 83872254816. Its totient is φ = 23277258400.

The previous prime is 51232617629. The next prime is 51232617641. The reversal of 51232617634 is 43671623215.

It is a happy number.

It is a super-3 number, since 3×51232617634³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463747 + ... + 563494.

It is an arithmetic number, because the mean of its divisors is an integer number (5242015926).

Almost surely, 2^51232617634 is an apocalyptic number.

51232617634 is a deficient number, since it is larger than the sum of its proper divisors (32639637182).

51232617634 is a wasteful number, since it uses less digits than its factorization.

51232617634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029521.

The product of its digits is 181440, while the sum is 40.

It can be divided in two parts, 51232 and 617634, that added together give a palindrome (668866).

The spelling of 51232617634 in words is "fifty-one billion, two hundred thirty-two million, six hundred seventeen thousand, six hundred thirty-four".