53516377 has 4 divisors (see below), whose sum is σ = 55843200. Its totient is φ = 51189556.

The previous prime is 53516341. The next prime is 53516383. The reversal of 53516377 is 77361535.

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 53516377 - 2⁷ = 53516249 is a prime.

It is a super-2 number, since 2×53516377² = 5728005214412258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53516387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163377 + ... + 1163422.

It is an arithmetic number, because the mean of its divisors is an integer number (13960800).

Almost surely, 2^53516377 is an apocalyptic number.

It is an amenable number.

53516377 is a deficient number, since it is larger than the sum of its proper divisors (2326823).

53516377 is a wasteful number, since it uses less digits than its factorization.

53516377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326822.

The product of its digits is 66150, while the sum is 37.

The square root of 53516377 is about 7315.4888421759. The cubic root of 53516377 is about 376.8445465558.

The spelling of 53516377 in words is "fifty-three million, five hundred sixteen thousand, three hundred seventy-seven".