53274665 has 4 divisors (see below), whose sum is σ = 63929604. Its totient is φ = 42619728.

The previous prime is 53274659. The next prime is 53274667. The reversal of 53274665 is 56647235.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32581264 + 20693401 = 5708^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 53274665 - 2¹⁶ = 53209129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53274667) 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, 5327462 + ... + 5327471.

It is an arithmetic number, because the mean of its divisors is an integer number (15982401).

Almost surely, 2^53274665 is an apocalyptic number.

It is an amenable number.

53274665 is a deficient number, since it is larger than the sum of its proper divisors (10654939).

53274665 is a wasteful number, since it uses less digits than its factorization.

53274665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10654938.

The product of its digits is 151200, while the sum is 38.

The square root of 53274665 is about 7298.9495819604. The cubic root of 53274665 is about 376.2763383732.

The spelling of 53274665 in words is "fifty-three million, two hundred seventy-four thousand, six hundred sixty-five".