53692730 has 48 divisors (see below), whose sum is σ = 121088520. Its totient is φ = 16990848.

The previous prime is 53692729. The next prime is 53692733. The reversal of 53692730 is 3729635.

53692730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23804641 + 29888089 = 4879^2 + 5467^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53692733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2156 + ... + 10584.

Almost surely, 2^53692730 is an apocalyptic number.

53692730 is an abundant number, since it is smaller than the sum of its proper divisors (67395790).

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

53692730 is a wasteful number, since it uses less digits than its factorization.

53692730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463 (or 8456 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 53692730 is about 7327.5323267796. The cubic root of 53692730 is about 377.2580324447.

The spelling of 53692730 in words is "fifty-three million, six hundred ninety-two thousand, seven hundred thirty".