53125181 has 8 divisors (see below), whose sum is σ = 54359424. Its totient is φ = 51895360.

The previous prime is 53125157. The next prime is 53125199. The reversal of 53125181 is 18152135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53125181 - 2⁶ = 53125117 is a prime.

It is a super-2 number, since 2×53125181² = 5644569712565522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53125181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53125151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40766 + ... + 42048.

It is an arithmetic number, because the mean of its divisors is an integer number (6794928).

Almost surely, 2^53125181 is an apocalyptic number.

It is an amenable number.

53125181 is a deficient number, since it is larger than the sum of its proper divisors (1234243).

53125181 is a wasteful number, since it uses less digits than its factorization.

53125181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its digits is 1200, while the sum is 26.

The square root of 53125181 is about 7288.7022850436. The cubic root of 53125181 is about 375.9240759821.

The spelling of 53125181 in words is "fifty-three million, one hundred twenty-five thousand, one hundred eighty-one".