53124531 has 4 divisors (see below), whose sum is σ = 70832712. Its totient is φ = 35416352.

The previous prime is 53124527. The next prime is 53124553. The reversal of 53124531 is 13542135.

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 53124531 - 2² = 53124527 is a prime.

It is a super-2 number, since 2×53124531² = 5644431587939922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53124571) 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, 8854086 + ... + 8854091.

It is an arithmetic number, because the mean of its divisors is an integer number (17708178).

Almost surely, 2^53124531 is an apocalyptic number.

53124531 is a deficient number, since it is larger than the sum of its proper divisors (17708181).

53124531 is a wasteful number, since it uses less digits than its factorization.

53124531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708180.

The product of its digits is 1800, while the sum is 24.

The square root of 53124531 is about 7288.6576953510. The cubic root of 53124531 is about 375.9225428005.

Adding to 53124531 its reverse (13542135), we get a palindrome (66666666).

The spelling of 53124531 in words is "fifty-three million, one hundred twenty-four thousand, five hundred thirty-one".