52481590 has 64 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 17136000.

The previous prime is 52481581. The next prime is 52481593. The reversal of 52481590 is 9518425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52481593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208965 + ... + 209215.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^52481590 is an apocalyptic number.

52481590 is an abundant number, since it is smaller than the sum of its proper divisors (60736970).

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

52481590 is a wasteful number, since it uses less digits than its factorization.

52481590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 52481590 is about 7244.4178510078. The cubic root of 52481590 is about 374.3998459453.

The spelling of 52481590 in words is "fifty-two million, four hundred eighty-one thousand, five hundred ninety".