51442708 has 12 divisors (see below), whose sum is σ = 90139392. Its totient is φ = 25688600.

The previous prime is 51442681. The next prime is 51442717. The reversal of 51442708 is 80724415.

It is a self number, because there is not a number n which added to its sum of digits gives 51442708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4468 + ... + 11083.

It is an arithmetic number, because the mean of its divisors is an integer number (7511616).

Almost surely, 2^51442708 is an apocalyptic number.

It is an amenable number.

51442708 is a deficient number, since it is larger than the sum of its proper divisors (38696684).

51442708 is a wasteful number, since it uses less digits than its factorization.

51442708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16382 (or 16380 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 51442708 is about 7172.3572136363. The cubic root of 51442708 is about 371.9129271677.

The spelling of 51442708 in words is "fifty-one million, four hundred forty-two thousand, seven hundred eight".