51375404 has 6 divisors (see below), whose sum is σ = 89906964. Its totient is φ = 25687700.

The previous prime is 51375403. The next prime is 51375421. The reversal of 51375404 is 40457315.

It is not an unprimeable number, because it can be changed into a prime (51375403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421922 + ... + 6421929.

It is an arithmetic number, because the mean of its divisors is an integer number (14984494).

Almost surely, 2^51375404 is an apocalyptic number.

It is an amenable number.

51375404 is a deficient number, since it is larger than the sum of its proper divisors (38531560).

51375404 is a wasteful number, since it uses less digits than its factorization.

51375404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12843855 (or 12843853 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 51375404 is about 7167.6637755966. The cubic root of 51375404 is about 371.7506615267.

The spelling of 51375404 in words is "fifty-one million, three hundred seventy-five thousand, four hundred four".