51400576 has 16 divisors (see below), whose sum is σ = 102399840. Its totient is φ = 25700224.

The previous prime is 51400507. The next prime is 51400577. The reversal of 51400576 is 67500415.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51400577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200656 + ... + 200911.

It is an arithmetic number, because the mean of its divisors is an integer number (6399990).

Almost surely, 2^51400576 is an apocalyptic number.

It is an amenable number.

51400576 is a deficient number, since it is larger than the sum of its proper divisors (50999264).

51400576 is an equidigital number, since it uses as much as digits as its factorization.

51400576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401581 (or 401569 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 51400576 is about 7169.4195023028. The cubic root of 51400576 is about 371.8113661897.

The spelling of 51400576 in words is "fifty-one million, four hundred thousand, five hundred seventy-six".