53125801 has 4 divisors (see below), whose sum is σ = 53482500. Its totient is φ = 52769104.

The previous prime is 53125781. The next prime is 53125811. The reversal of 53125801 is 10852135.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29593600 + 23532201 = 5440^2 + 4851^2 .

It is a cyclic number.

It is not a de Polignac number, because 53125801 - 2¹³ = 53117609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53125811) 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, 178126 + ... + 178423.

It is an arithmetic number, because the mean of its divisors is an integer number (13370625).

Almost surely, 2^53125801 is an apocalyptic number.

It is an amenable number.

53125801 is a deficient number, since it is larger than the sum of its proper divisors (356699).

53125801 is a wasteful number, since it uses less digits than its factorization.

53125801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356698.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 53125801 is about 7288.7448164962. The cubic root of 53125801 is about 375.9255383898.

Adding to 53125801 its reverse (10852135), we get a palindrome (63977936).

The spelling of 53125801 in words is "fifty-three million, one hundred twenty-five thousand, eight hundred one".