52068690 has 32 divisors (see below), whose sum is σ = 138850560. Its totient is φ = 13884912.

The previous prime is 52068689. The next prime is 52068691. The reversal of 52068690 is 9686025.

It is an interprime number because it is at equal distance from previous prime (52068689) and next prime (52068691).

It is a super-2 number, since 2×52068690² = 5422296956632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52068691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96154 + ... + 96693.

It is an arithmetic number, because the mean of its divisors is an integer number (4339080).

Almost surely, 2^52068690 is an apocalyptic number.

52068690 is an abundant number, since it is smaller than the sum of its proper divisors (86781870).

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

52068690 is a wasteful number, since it uses less digits than its factorization.

52068690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192863 (or 192857 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 52068690 is about 7215.8637736587. The cubic root of 52068690 is about 373.4153934907.

The spelling of 52068690 in words is "fifty-two million, sixty-eight thousand, six hundred ninety".