53376251 has 4 divisors (see below), whose sum is σ = 53431104. Its totient is φ = 53321400.

The previous prime is 53376241. The next prime is 53376283. The reversal of 53376251 is 15267335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15267335 = 5 ⋅3053467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53376251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53376241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25940 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (13357776).

Almost surely, 2^53376251 is an apocalyptic number.

53376251 is a deficient number, since it is larger than the sum of its proper divisors (54853).

53376251 is an equidigital number, since it uses as much as digits as its factorization.

53376251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54852.

The product of its digits is 18900, while the sum is 32.

The square root of 53376251 is about 7305.9052142770. The cubic root of 53376251 is about 376.5153521579.

The spelling of 53376251 in words is "fifty-three million, three hundred seventy-six thousand, two hundred fifty-one".