52128086 has 12 divisors (see below), whose sum is σ = 83063148. Its totient is φ = 24530592.

The previous prime is 52128073. The next prime is 52128107. The reversal of 52128086 is 68082125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44516 + ... + 45671.

It is an arithmetic number, because the mean of its divisors is an integer number (6921929).

Almost surely, 2^52128086 is an apocalyptic number.

52128086 is a deficient number, since it is larger than the sum of its proper divisors (30935062).

52128086 is a wasteful number, since it uses less digits than its factorization.

52128086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90223 (or 90206 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 52128086 is about 7219.9782548149. The cubic root of 52128086 is about 373.5573274920.

The spelling of 52128086 in words is "fifty-two million, one hundred twenty-eight thousand, eighty-six".