52758090 has 192 divisors, whose sum is σ = 178993152. Its totient is φ = 10454400.

The previous prime is 52758077. The next prime is 52758091. The reversal of 52758090 is 9085725.

It is not an unprimeable number, because it can be changed into a prime (52758091) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159225 + ... + 159555.

It is an arithmetic number, because the mean of its divisors is an integer number (932256).

Almost surely, 2^52758090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52758090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89496576).

52758090 is an abundant number, since it is smaller than the sum of its proper divisors (126235062).

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

52758090 is a wasteful number, since it uses less digits than its factorization.

52758090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 52758090 is about 7263.4764403831. The cubic root of 52758090 is about 375.0562049089.

The spelling of 52758090 in words is "fifty-two million, seven hundred fifty-eight thousand, ninety".