51463694 has 16 divisors (see below), whose sum is σ = 78989040. Its totient is φ = 25139520.

The previous prime is 51463691. The next prime is 51463739. The reversal of 51463694 is 49636415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51463691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19154 + ... + 21674.

It is an arithmetic number, because the mean of its divisors is an integer number (4936815).

Almost surely, 2^51463694 is an apocalyptic number.

51463694 is a deficient number, since it is larger than the sum of its proper divisors (27525346).

51463694 is a wasteful number, since it uses less digits than its factorization.

51463694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its digits is 77760, while the sum is 38.

The square root of 51463694 is about 7173.8200423484. The cubic root of 51463694 is about 371.9634941245.

The spelling of 51463694 in words is "fifty-one million, four hundred sixty-three thousand, six hundred ninety-four".