52688190 has 16 divisors (see below), whose sum is σ = 126451728. Its totient is φ = 14050176.

The previous prime is 52688179. The next prime is 52688203. The reversal of 52688190 is 9188625.

It is a super-2 number, since 2×52688190² = 5552090730952200, which contains 22 as substring.

It is a congruent number.

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, 878107 + ... + 878166.

It is an arithmetic number, because the mean of its divisors is an integer number (7903233).

Almost surely, 2^52688190 is an apocalyptic number.

52688190 is an abundant number, since it is smaller than the sum of its proper divisors (73763538).

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

52688190 is a wasteful number, since it uses less digits than its factorization.

52688190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756283.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 52688190 is about 7258.6631000481. The cubic root of 52688190 is about 374.8904924692.

The spelling of 52688190 in words is "fifty-two million, six hundred eighty-eight thousand, one hundred ninety".