51134323432 has 32 divisors (see below), whose sum is σ = 98837596800. Its totient is φ = 24789504384.

The previous prime is 51134323421. The next prime is 51134323453. The reversal of 51134323432 is 23432343115.

It is a happy number.

It is a super-2 number, since 2×51134323432² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51134323394 and 51134323403.

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, 707568 + ... + 776479.

It is an arithmetic number, because the mean of its divisors is an integer number (3088674900).

Almost surely, 2^51134323432 is an apocalyptic number.

It is an amenable number.

51134323432 is a deficient number, since it is larger than the sum of its proper divisors (47703273368).

51134323432 is a wasteful number, since it uses less digits than its factorization.

51134323432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484185 (or 1484181 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

Adding to 51134323432 its reverse (23432343115), we get a palindrome (74566666547).

The spelling of 51134323432 in words is "fifty-one billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred thirty-two".