51323140255032 has 96 divisors (see below), whose sum is σ = 147259202856480. Its totient is φ = 16092346152960.

The previous prime is 51323140254989. The next prime is 51323140255069. The reversal of 51323140255032 is 23055204132315.

51323140255032 is a `hidden beast` number, since 5 + 1 + 3 + 2 + 3 + 140 + 2 + 5 + 503 + 2 = 666.

It is a super-2 number, since 2×51323140255032² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9576069 + ... + 13940852.

It is an arithmetic number, because the mean of its divisors is an integer number (1533950029755).

Almost surely, 2^{51323140255032} is an apocalyptic number.

It is an amenable number.

51323140255032 is an abundant number, since it is smaller than the sum of its proper divisors (95936062601448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51323140255032 is a wasteful number, since it uses less digits than its factorization.

51323140255032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23518733 (or 23518726 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 51323140255032 its reverse (23055204132315), we get a palindrome (74378344387347).

The spelling of 51323140255032 in words is "fifty-one trillion, three hundred twenty-three billion, one hundred forty million, two hundred fifty-five thousand, thirty-two".