52355531 has 4 divisors (see below), whose sum is σ = 52648200. Its totient is φ = 52062864.

The previous prime is 52355519. The next prime is 52355543. The reversal of 52355531 is 13555325.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52355519) and next prime (52355543).

It is a cyclic number.

It is not a de Polignac number, because 52355531 - 2¹⁰ = 52354507 is a prime.

It is a super-2 number, since 2×52355531² = 5482203252583922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52355494 and 52355503.

It is not an unprimeable number, because it can be changed into a prime (52355551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146066 + ... + 146423.

It is an arithmetic number, because the mean of its divisors is an integer number (13162050).

Almost surely, 2^52355531 is an apocalyptic number.

52355531 is a deficient number, since it is larger than the sum of its proper divisors (292669).

52355531 is a wasteful number, since it uses less digits than its factorization.

52355531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292668.

The product of its digits is 11250, while the sum is 29.

The square root of 52355531 is about 7235.7121971510. The cubic root of 52355531 is about 374.0998403700.

The spelling of 52355531 in words is "fifty-two million, three hundred fifty-five thousand, five hundred thirty-one".