52797970 has 16 divisors (see below), whose sum is σ = 95522328. Its totient is φ = 21011200.

The previous prime is 52797961. The next prime is 52797989. The reversal of 52797970 is 7979725.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49999041 + 2798929 = 7071^2 + 1673^2 .

It is a super-2 number, since 2×52797970² = 5575251272241800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52797970.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11431 + ... + 15370.

Almost surely, 2^52797970 is an apocalyptic number.

52797970 is a deficient number, since it is larger than the sum of its proper divisors (42724358).

52797970 is a wasteful number, since it uses less digits than its factorization.

52797970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27005.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 52797970 is about 7266.2211637136. The cubic root of 52797970 is about 375.1506831478.

The spelling of 52797970 in words is "fifty-two million, seven hundred ninety-seven thousand, nine hundred seventy".