53444465 has 16 divisors (see below), whose sum is σ = 67998720. Its totient is φ = 40253760.

The previous prime is 53444459. The next prime is 53444471. The reversal of 53444465 is 56444435.

It is an interprime number because it is at equal distance from previous prime (53444459) and next prime (53444471).

It is not a de Polignac number, because 53444465 - 2¹⁸ = 53182321 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (4249920).

Almost surely, 2^53444465 is an apocalyptic number.

It is an amenable number.

53444465 is a deficient number, since it is larger than the sum of its proper divisors (14554255).

53444465 is a wasteful number, since it uses less digits than its factorization.

53444465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392.

The product of its digits is 115200, while the sum is 35.

The square root of 53444465 is about 7310.5721390326. The cubic root of 53444465 is about 376.6756774239.

The spelling of 53444465 in words is "fifty-three million, four hundred forty-four thousand, four hundred sixty-five".