52520511 has 8 divisors (see below), whose sum is σ = 70390960. Its totient is φ = 34831872.

The previous prime is 52520483. The next prime is 52520513. The reversal of 52520511 is 11502525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52520511 - 2⁷ = 52520383 is a prime.

It is a super-2 number, since 2×52520511² = 5516808151402242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44776 + ... + 45933.

It is an arithmetic number, because the mean of its divisors is an integer number (8798870).

Almost surely, 2^52520511 is an apocalyptic number.

52520511 is a deficient number, since it is larger than the sum of its proper divisors (17870449).

52520511 is a wasteful number, since it uses less digits than its factorization.

52520511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90905.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 52520511 is about 7247.1036283470. The cubic root of 52520511 is about 374.4923762696.

The spelling of 52520511 in words is "fifty-two million, five hundred twenty thousand, five hundred eleven".