51408801 has 12 divisors (see below), whose sum is σ = 74357712. Its totient is φ = 34226136.

The previous prime is 51408767. The next prime is 51408817. The reversal of 51408801 is 10880415.

It is not a de Polignac number, because 51408801 - 2¹⁸ = 51146657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51408871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3990 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (6196476).

Almost surely, 2^51408801 is an apocalyptic number.

It is an amenable number.

51408801 is a deficient number, since it is larger than the sum of its proper divisors (22948911).

51408801 is a wasteful number, since it uses less digits than its factorization.

51408801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740 (or 7737 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 51408801 is about 7169.9930962310. The cubic root of 51408801 is about 371.8311972605.

The spelling of 51408801 in words is "fifty-one million, four hundred eight thousand, eight hundred one".