51736494 has 16 divisors (see below), whose sum is σ = 103546368. Its totient is φ = 17233272.

The previous prime is 51736483. The next prime is 51736507. The reversal of 51736494 is 49463715.

It is a super-2 number, since 2×51736494² = 5353329622824072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 11289 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (6471648).

Almost surely, 2^51736494 is an apocalyptic number.

51736494 is an abundant number, since it is smaller than the sum of its proper divisors (51809874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51736494 is a wasteful number, since it uses less digits than its factorization.

51736494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119.

The product of its digits is 90720, while the sum is 39.

The square root of 51736494 is about 7192.8084918201. The cubic root of 51736494 is about 372.6195739420.

The spelling of 51736494 in words is "fifty-one million, seven hundred thirty-six thousand, four hundred ninety-four".