53165051 has 4 divisors (see below), whose sum is σ = 53361504. Its totient is φ = 52968600.

The previous prime is 53165027. The next prime is 53165081. The reversal of 53165051 is 15056135.

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

It is a cyclic number.

It is not a de Polignac number, because 53165051 - 2¹⁸ = 52902907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53165051.

It is not an unprimeable number, because it can be changed into a prime (53165081) 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, 97820 + ... + 98361.

It is an arithmetic number, because the mean of its divisors is an integer number (13340376).

Almost surely, 2^53165051 is an apocalyptic number.

53165051 is a deficient number, since it is larger than the sum of its proper divisors (196453).

53165051 is a wasteful number, since it uses less digits than its factorization.

53165051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196452.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 53165051 is about 7291.4368268538. The cubic root of 53165051 is about 376.0180950813.

The spelling of 53165051 in words is "fifty-three million, one hundred sixty-five thousand, fifty-one".