53544465 has 24 divisors (see below), whose sum is σ = 99950760. Its totient is φ = 26360064.

The previous prime is 53544461. The next prime is 53544467. The reversal of 53544465 is 56444535.

53544465 is a `hidden beast` number, since 53 + 544 + 4 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2178576 + 51365889 = 1476^2 + 7167^2 .

It is not a de Polignac number, because 53544465 - 2² = 53544461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53544461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45180 + ... + 46349.

It is an arithmetic number, because the mean of its divisors is an integer number (4164615).

Almost surely, 2^53544465 is an apocalyptic number.

It is an amenable number.

53544465 is a deficient number, since it is larger than the sum of its proper divisors (46406295).

53544465 is a wasteful number, since it uses less digits than its factorization.

53544465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91553 (or 91550 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 53544465 is about 7317.4083526888. The cubic root of 53544465 is about 376.9104638129.

The spelling of 53544465 in words is "fifty-three million, five hundred forty-four thousand, four hundred sixty-five".