51641032 has 8 divisors (see below), whose sum is σ = 96826950. Its totient is φ = 25820512.

The previous prime is 51640973. The next prime is 51641033. The reversal of 51641032 is 23014615.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 9572836 = 6486^2 + 3094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51640994 and 51641012.

It is not an unprimeable number, because it can be changed into a prime (51641033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227557 + ... + 3227572.

Almost surely, 2^51641032 is an apocalyptic number.

It is an amenable number.

51641032 is a deficient number, since it is larger than the sum of its proper divisors (45185918).

51641032 is a wasteful number, since it uses less digits than its factorization.

51641032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455135 (or 6455131 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 51641032 is about 7186.1694942438. The cubic root of 51641032 is about 372.3902521904.

Adding to 51641032 its reverse (23014615), we get a palindrome (74655647).

The spelling of 51641032 in words is "fifty-one million, six hundred forty-one thousand, thirty-two".