53149417 has 4 divisors (see below), whose sum is σ = 53370196. Its totient is φ = 52928640.

The previous prime is 53149387. The next prime is 53149471. The reversal of 53149417 is 71494135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48149721 + 4999696 = 6939^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 53149417 - 2¹⁵ = 53116649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53149487) 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, 110028 + ... + 110509.

It is an arithmetic number, because the mean of its divisors is an integer number (13342549).

Almost surely, 2^53149417 is an apocalyptic number.

It is an amenable number.

53149417 is a deficient number, since it is larger than the sum of its proper divisors (220779).

53149417 is a wasteful number, since it uses less digits than its factorization.

53149417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220778.

The product of its digits is 15120, while the sum is 34.

The square root of 53149417 is about 7290.3646685197. The cubic root of 53149417 is about 375.9812335020.

The spelling of 53149417 in words is "fifty-three million, one hundred forty-nine thousand, four hundred seventeen".