53576730 has 48 divisors (see below), whose sum is σ = 139880520. Its totient is φ = 14227584.

The previous prime is 53576651. The next prime is 53576737. The reversal of 53576730 is 3767535.

53576730 is a `hidden beast` number, since 53 + 576 + 7 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 46335249 + 7241481 = 6807^2 + 2691^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53576737) 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, 23104 + ... + 25316.

Almost surely, 2^53576730 is an apocalyptic number.

53576730 is an abundant number, since it is smaller than the sum of its proper divisors (86303790).

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

53576730 is a wasteful number, since it uses less digits than its factorization.

53576730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 53576730 is about 7319.6126946718. The cubic root of 53576730 is about 376.9861552609.

The spelling of 53576730 in words is "fifty-three million, five hundred seventy-six thousand, seven hundred thirty".