51403832 has 16 divisors (see below), whose sum is σ = 98733600. Its totient is φ = 25074880.

The previous prime is 51403831. The next prime is 51403871. The reversal of 51403832 is 23830415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51403831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78032 + ... + 78687.

It is an arithmetic number, because the mean of its divisors is an integer number (6170850).

Almost surely, 2^51403832 is an apocalyptic number.

It is an amenable number.

51403832 is a deficient number, since it is larger than the sum of its proper divisors (47329768).

51403832 is a wasteful number, since it uses less digits than its factorization.

51403832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156766 (or 156762 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51403832 is about 7169.6465742741. The cubic root of 51403832 is about 371.8192168945.

The spelling of 51403832 in words is "fifty-one million, four hundred three thousand, eight hundred thirty-two".