52473618 has 12 divisors (see below), whose sum is σ = 113692878. Its totient is φ = 17491200.

The previous prime is 52473613. The next prime is 52473623. The reversal of 52473618 is 81637425.

52473618 is a `hidden beast` number, since 524 + 73 + 61 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (52473613) and next prime (52473623).

It can be written as a sum of positive squares in only one way, i.e., 41563809 + 10909809 = 6447^2 + 3303^2 .

It is not an unprimeable number, because it can be changed into a prime (52473613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1457583 + ... + 1457618.

Almost surely, 2^52473618 is an apocalyptic number.

52473618 is an abundant number, since it is smaller than the sum of its proper divisors (61219260).

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

52473618 is a wasteful number, since it uses less digits than its factorization.

52473618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915209 (or 2915206 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 52473618 is about 7243.8676133679. The cubic root of 52473618 is about 374.3808877626.

The spelling of 52473618 in words is "fifty-two million, four hundred seventy-three thousand, six hundred eighteen".