52121706 has 32 divisors (see below), whose sum is σ = 128300928. Its totient is φ = 13746240.

The previous prime is 52121687. The next prime is 52121723. The reversal of 52121706 is 60712125.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47185 + ... + 48276.

It is an arithmetic number, because the mean of its divisors is an integer number (4009404).

Almost surely, 2^52121706 is an apocalyptic number.

52121706 is an abundant number, since it is smaller than the sum of its proper divisors (76179222).

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

52121706 is a wasteful number, since it uses less digits than its factorization.

52121706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95486.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 52121706 is about 7219.5364117095. The cubic root of 52121706 is about 373.5420868724.

The spelling of 52121706 in words is "fifty-two million, one hundred twenty-one thousand, seven hundred six".