53026531 has 4 divisors (see below), whose sum is σ = 53187064. Its totient is φ = 52866000.

The previous prime is 53026517. The next prime is 53026537. The reversal of 53026531 is 13562035.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53026531 - 2⁵ = 53026499 is a prime.

It is a super-2 number, since 2×53026531² = 5623625979787922, 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 = 53026496 and 53026505.

It is not an unprimeable number, because it can be changed into a prime (53026537) 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, 79770 + ... + 80431.

It is an arithmetic number, because the mean of its divisors is an integer number (13296766).

Almost surely, 2^53026531 is an apocalyptic number.

53026531 is a deficient number, since it is larger than the sum of its proper divisors (160533).

53026531 is a wasteful number, since it uses less digits than its factorization.

53026531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160532.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53026531 is about 7281.9318178626. The cubic root of 53026531 is about 375.6912429648.

Adding to 53026531 its reverse (13562035), we get a palindrome (66588566).

The spelling of 53026531 in words is "fifty-three million, twenty-six thousand, five hundred thirty-one".