52757490 has 32 divisors (see below), whose sum is σ = 133283520. Its totient is φ = 13328064.

The previous prime is 52757483. The next prime is 52757503. The reversal of 52757490 is 9475725.

It is a super-2 number, since 2×52757490² = 5566705502200200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45709 + ... + 46848.

It is an arithmetic number, because the mean of its divisors is an integer number (4165110).

Almost surely, 2^52757490 is an apocalyptic number.

52757490 is an abundant number, since it is smaller than the sum of its proper divisors (80526030).

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

52757490 is a wasteful number, since it uses less digits than its factorization.

52757490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92586.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 52757490 is about 7263.4351377293. The cubic root of 52757490 is about 375.0547831076.

The spelling of 52757490 in words is "fifty-two million, seven hundred fifty-seven thousand, four hundred ninety".