53117377 has 4 divisors (see below), whose sum is σ = 53198640. Its totient is φ = 53036116.

The previous prime is 53117371. The next prime is 53117381. The reversal of 53117377 is 77371135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53117377 - 2¹¹ = 53115329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53117371) 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, 39643 + ... + 40960.

It is an arithmetic number, because the mean of its divisors is an integer number (13299660).

Almost surely, 2^53117377 is an apocalyptic number.

It is an amenable number.

53117377 is a deficient number, since it is larger than the sum of its proper divisors (81263).

53117377 is an equidigital number, since it uses as much as digits as its factorization.

53117377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81262.

The product of its digits is 15435, while the sum is 34.

The square root of 53117377 is about 7288.1669163103. The cubic root of 53117377 is about 375.9056675419.

The spelling of 53117377 in words is "fifty-three million, one hundred seventeen thousand, three hundred seventy-seven".