53696251 has 16 divisors (see below), whose sum is σ = 65180160. Its totient is φ = 43182720.

The previous prime is 53696243. The next prime is 53696273. The reversal of 53696251 is 15269635.

It is not a de Polignac number, because 53696251 - 2³ = 53696243 is a prime.

It is a super-3 number, since 3×53696251³ (a number of 24 digits) contains 333 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 53696251.

It is not an unprimeable number, because it can be changed into a prime (53696051) 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 15 ways as a sum of consecutive naturals, for example, 57970 + ... + 58888.

It is an arithmetic number, because the mean of its divisors is an integer number (4073760).

Almost surely, 2^53696251 is an apocalyptic number.

53696251 is a deficient number, since it is larger than the sum of its proper divisors (11483909).

53696251 is a wasteful number, since it uses less digits than its factorization.

53696251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 48600, while the sum is 37.

The square root of 53696251 is about 7327.7725810781. The cubic root of 53696251 is about 377.2662787287.

The spelling of 53696251 in words is "fifty-three million, six hundred ninety-six thousand, two hundred fifty-one".