51607788 has 24 divisors (see below), whose sum is σ = 122069808. Its totient is φ = 16966656.

The previous prime is 51607771. The next prime is 51607813. The reversal of 51607788 is 88770615.

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, 28581 + ... + 30332.

It is an arithmetic number, because the mean of its divisors is an integer number (5086242).

Almost surely, 2^51607788 is an apocalyptic number.

It is an amenable number.

51607788 is an abundant number, since it is smaller than the sum of its proper divisors (70462020).

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

51607788 is a wasteful number, since it uses less digits than its factorization.

51607788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58993 (or 58991 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 51607788 is about 7183.8560676005. The cubic root of 51607788 is about 372.3103260896.

The spelling of 51607788 in words is "fifty-one million, six hundred seven thousand, seven hundred eighty-eight".