51413694 has 48 divisors (see below), whose sum is σ = 111376512. Its totient is φ = 15791776.

The previous prime is 51413689. The next prime is 51413699. The reversal of 51413694 is 49631415.

It is an interprime number because it is at equal distance from previous prime (51413689) and next prime (51413699).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51413699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115837 + ... + 116279.

It is an arithmetic number, because the mean of its divisors is an integer number (2320344).

Almost surely, 2^51413694 is an apocalyptic number.

51413694 is an abundant number, since it is smaller than the sum of its proper divisors (59962818).

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

51413694 is a wasteful number, since it uses less digits than its factorization.

51413694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 500 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 51413694 is about 7170.3343018300. The cubic root of 51413694 is about 371.8429936345.

The spelling of 51413694 in words is "fifty-one million, four hundred thirteen thousand, six hundred ninety-four".