53591251 has 6 divisors (see below), whose sum is σ = 62340900. Its totient is φ = 45935316.

The previous prime is 53591243. The next prime is 53591273. The reversal of 53591251 is 15219535.

It is not a de Polignac number, because 53591251 - 2³ = 53591243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53591221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546801 + ... + 546898.

It is an arithmetic number, because the mean of its divisors is an integer number (10390150).

Almost surely, 2^53591251 is an apocalyptic number.

53591251 is a deficient number, since it is larger than the sum of its proper divisors (8749649).

53591251 is a wasteful number, since it uses less digits than its factorization.

53591251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093713 (or 1093706 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 53591251 is about 7320.6045515381. The cubic root of 53591251 is about 377.0202106021.

The spelling of 53591251 in words is "fifty-three million, five hundred ninety-one thousand, two hundred fifty-one".