53465418 has 12 divisors (see below), whose sum is σ = 115841778. Its totient is φ = 17821800.

The previous prime is 53465417. The next prime is 53465431. The reversal of 53465418 is 81456435.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51022449 + 2442969 = 7143^2 + 1563^2 .

It is not an unprimeable number, because it can be changed into a prime (53465417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1485133 + ... + 1485168.

Almost surely, 2^53465418 is an apocalyptic number.

53465418 is an abundant number, since it is smaller than the sum of its proper divisors (62376360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53465418 is a wasteful number, since it uses less digits than its factorization.

53465418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970309 (or 2970306 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 53465418 is about 7312.0050601733. The cubic root of 53465418 is about 376.7248964544.

The spelling of 53465418 in words is "fifty-three million, four hundred sixty-five thousand, four hundred eighteen".