52125590 has 48 divisors (see below), whose sum is σ = 107672544. Its totient is φ = 18120960.

The previous prime is 52125527. The next prime is 52125599. The reversal of 52125590 is 9552125.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52125599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26894 + ... + 28766.

It is an arithmetic number, because the mean of its divisors is an integer number (2243178).

Almost surely, 2^52125590 is an apocalyptic number.

52125590 is an abundant number, since it is smaller than the sum of its proper divisors (55546954).

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

52125590 is a wasteful number, since it uses less digits than its factorization.

52125590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 52125590 is about 7219.8053990395. The cubic root of 52125590 is about 373.5513651657.

The spelling of 52125590 in words is "fifty-two million, one hundred twenty-five thousand, five hundred ninety".