51499466 has 16 divisors (see below), whose sum is σ = 79596000. Its totient is φ = 24975888.

The previous prime is 51499457. The next prime is 51499471. The reversal of 51499466 is 66499415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10805 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (4974750).

Almost surely, 2^51499466 is an apocalyptic number.

51499466 is a deficient number, since it is larger than the sum of its proper divisors (28096534).

51499466 is a wasteful number, since it uses less digits than its factorization.

51499466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213.

The product of its digits is 233280, while the sum is 44.

The square root of 51499466 is about 7176.3128415643. The cubic root of 51499466 is about 372.0496571088.

The spelling of 51499466 in words is "fifty-one million, four hundred ninety-nine thousand, four hundred sixty-six".