53205151 has 4 divisors (see below), whose sum is σ = 53483904. Its totient is φ = 52926400.

The previous prime is 53205143. The next prime is 53205161. The reversal of 53205151 is 15150235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15150235 = 5 ⋅3030047.

It is a cyclic number.

It is not a de Polignac number, because 53205151 - 2³ = 53205143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53205161) 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, 139090 + ... + 139471.

It is an arithmetic number, because the mean of its divisors is an integer number (13370976).

Almost surely, 2^53205151 is an apocalyptic number.

53205151 is a deficient number, since it is larger than the sum of its proper divisors (278753).

53205151 is a wasteful number, since it uses less digits than its factorization.

53205151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278752.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 53205151 is about 7294.1861094984. The cubic root of 53205151 is about 376.1126091524.

Adding to 53205151 its reverse (15150235), we get a palindrome (68355386).

The spelling of 53205151 in words is "fifty-three million, two hundred five thousand, one hundred fifty-one".