52570053 has 20 divisors (see below), whose sum is σ = 78885708. Its totient is φ = 34888320.

The previous prime is 52570013. The next prime is 52570061. The reversal of 52570053 is 35007525.

It can be written as a sum of positive squares in 2 ways, for example, as 30835809 + 21734244 = 5553^2 + 4662^2 .

It is not a de Polignac number, because 52570053 - 2²¹ = 50472901 is a prime.

It is a super-2 number, since 2×52570053² = 5527220944845618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52569999 and 52570026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52570013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18175 + ... + 20867.

Almost surely, 2^52570053 is an apocalyptic number.

It is an amenable number.

52570053 is a deficient number, since it is larger than the sum of its proper divisors (26315655).

52570053 is a wasteful number, since it uses less digits than its factorization.

52570053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 52570053 is about 7250.5208778404. The cubic root of 52570053 is about 374.6100907292.

Adding to 52570053 its reverse (35007525), we get a palindrome (87577578).

The spelling of 52570053 in words is "fifty-two million, five hundred seventy thousand, fifty-three".