53266251 has 4 divisors (see below), whose sum is σ = 71021672. Its totient is φ = 35510832.

The previous prime is 53266201. The next prime is 53266327. The reversal of 53266251 is 15266235.

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

It is not a de Polignac number, because 53266251 - 2⁷ = 53266123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53266201) 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, 8877706 + ... + 8877711.

It is an arithmetic number, because the mean of its divisors is an integer number (17755418).

Almost surely, 2^53266251 is an apocalyptic number.

53266251 is a deficient number, since it is larger than the sum of its proper divisors (17755421).

53266251 is a wasteful number, since it uses less digits than its factorization.

53266251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17755420.

The product of its digits is 10800, while the sum is 30.

The square root of 53266251 is about 7298.3731748932. The cubic root of 53266251 is about 376.2565281075.

The spelling of 53266251 in words is "fifty-three million, two hundred sixty-six thousand, two hundred fifty-one".