52229790 has 24 divisors (see below), whose sum is σ = 135797688. Its totient is φ = 13927920.

The previous prime is 52229789. The next prime is 52229791. The reversal of 52229790 is 9792225.

It is an interprime number because it is at equal distance from previous prime (52229789) and next prime (52229791).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52229791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290076 + ... + 290255.

It is an arithmetic number, because the mean of its divisors is an integer number (5658237).

Almost surely, 2^52229790 is an apocalyptic number.

52229790 is an abundant number, since it is smaller than the sum of its proper divisors (83567898).

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

52229790 is a wasteful number, since it uses less digits than its factorization.

52229790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580344 (or 580341 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 52229790 is about 7227.0180572626. The cubic root of 52229790 is about 373.8001114749.

The spelling of 52229790 in words is "fifty-two million, two hundred twenty-nine thousand, seven hundred ninety".