51916662 has 24 divisors (see below), whose sum is σ = 128555856. Its totient is φ = 14833296.

The previous prime is 51916649. The next prime is 51916663. The reversal of 51916662 is 26661915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51916663) 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, 205893 + ... + 206144.

It is an arithmetic number, because the mean of its divisors is an integer number (5356494).

Almost surely, 2^51916662 is an apocalyptic number.

51916662 is an abundant number, since it is smaller than the sum of its proper divisors (76639194).

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

51916662 is a wasteful number, since it uses less digits than its factorization.

51916662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412052 (or 412049 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51916662 is about 7205.3217832377. The cubic root of 51916662 is about 373.0516116197.

The spelling of 51916662 in words is "fifty-one million, nine hundred sixteen thousand, six hundred sixty-two".