53124561 has 48 divisors (see below), whose sum is σ = 91099008. Its totient is φ = 29203200.

The previous prime is 53124557. The next prime is 53124569. The reversal of 53124561 is 16542135.

It is not a de Polignac number, because 53124561 - 2² = 53124557 is a prime.

It is a super-3 number, since 3×53124561³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53124569) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 338295 + ... + 338451.

It is an arithmetic number, because the mean of its divisors is an integer number (1897896).

Almost surely, 2^53124561 is an apocalyptic number.

It is an amenable number.

53124561 is a deficient number, since it is larger than the sum of its proper divisors (37974447).

53124561 is a wasteful number, since it uses less digits than its factorization.

53124561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 53124561 is about 7288.6597533429. The cubic root of 53124561 is about 375.9226135630.

Adding to 53124561 its reverse (16542135), we get a palindrome (69666696).

The spelling of 53124561 in words is "fifty-three million, one hundred twenty-four thousand, five hundred sixty-one".