53887730 has 16 divisors (see below), whose sum is σ = 104459544. Its totient is φ = 19896960.

The previous prime is 53887679. The next prime is 53887733. The reversal of 53887730 is 3778835.

53887730 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 32478601 + 21409129 = 5699^2 + 4627^2 .

It is not an unprimeable number, because it can be changed into a prime (53887733) 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 7 ways as a sum of consecutive naturals, for example, 207131 + ... + 207390.

Almost surely, 2^53887730 is an apocalyptic number.

53887730 is a deficient number, since it is larger than the sum of its proper divisors (50571814).

53887730 is a wasteful number, since it uses less digits than its factorization.

53887730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414541.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 53887730 is about 7340.8262477735. The cubic root of 53887730 is about 377.7141863038.

Adding to 53887730 its sum of digits (41), we get a triangular number (53887771 = T₁₀₃₈₁).

The spelling of 53887730 in words is "fifty-three million, eight hundred eighty-seven thousand, seven hundred thirty".