53765377 has 4 divisors (see below), whose sum is σ = 55499776. Its totient is φ = 52030980.

The previous prime is 53765347. The next prime is 53765381. The reversal of 53765377 is 77356735.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77356735 = 5 ⋅15471347.

It is a cyclic number.

It is not a de Polignac number, because 53765377 - 2¹¹ = 53763329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53765347) 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, 867153 + ... + 867214.

It is an arithmetic number, because the mean of its divisors is an integer number (13874944).

Almost surely, 2^53765377 is an apocalyptic number.

It is an amenable number.

53765377 is a deficient number, since it is larger than the sum of its proper divisors (1734399).

53765377 is a wasteful number, since it uses less digits than its factorization.

53765377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734398.

The product of its digits is 463050, while the sum is 43.

The square root of 53765377 is about 7332.4877770099. The cubic root of 53765377 is about 377.4281008632.

The spelling of 53765377 in words is "fifty-three million, seven hundred sixty-five thousand, three hundred seventy-seven".