53375663 has 16 divisors (see below), whose sum is σ = 61330176. Its totient is φ = 45978240.

The previous prime is 53375657. The next prime is 53375677. The reversal of 53375663 is 36657335.

It is not a de Polignac number, because 53375663 - 2¹⁰ = 53374639 is a prime.

It is a super-2 number, since 2×53375663² = 5697922801379138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53375653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27656 + ... + 29522.

It is an arithmetic number, because the mean of its divisors is an integer number (3833136).

Almost surely, 2^53375663 is an apocalyptic number.

53375663 is a deficient number, since it is larger than the sum of its proper divisors (7954513).

53375663 is a wasteful number, since it uses less digits than its factorization.

53375663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014.

The product of its digits is 170100, while the sum is 38.

The square root of 53375663 is about 7305.8649727462. The cubic root of 53375663 is about 376.5139695715.

The spelling of 53375663 in words is "fifty-three million, three hundred seventy-five thousand, six hundred sixty-three".