53152881 has 4 divisors (see below), whose sum is σ = 70870512. Its totient is φ = 35435252.

The previous prime is 53152877. The next prime is 53152889. The reversal of 53152881 is 18825135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53152881 - 2² = 53152877 is a prime.

It is a super-2 number, since 2×53152881² = 5650457517200322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53152889) 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, 8858811 + ... + 8858816.

It is an arithmetic number, because the mean of its divisors is an integer number (17717628).

Almost surely, 2^53152881 is an apocalyptic number.

It is an amenable number.

53152881 is a deficient number, since it is larger than the sum of its proper divisors (17717631).

53152881 is a wasteful number, since it uses less digits than its factorization.

53152881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17717630.

The product of its digits is 9600, while the sum is 33.

The square root of 53152881 is about 7290.6022384985. The cubic root of 53152881 is about 375.9894014856.

The spelling of 53152881 in words is "fifty-three million, one hundred fifty-two thousand, eight hundred eighty-one".