53782650 has 48 divisors (see below), whose sum is σ = 148204800. Its totient is φ = 14341680.

The previous prime is 53782643. The next prime is 53782657. The reversal of 53782650 is 5628735.

53782650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53782643) and next prime (53782657).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53782657) 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, 18570 + ... + 21269.

It is an arithmetic number, because the mean of its divisors is an integer number (3087600).

Almost surely, 2^53782650 is an apocalyptic number.

53782650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53782650 is an abundant number, since it is smaller than the sum of its proper divisors (94422150).

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

53782650 is a wasteful number, since it uses less digits than its factorization.

53782650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39860 (or 39849 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53782650 is about 7333.6655227792. The cubic root of 53782650 is about 377.4685148368.

The spelling of 53782650 in words is "fifty-three million, seven hundred eighty-two thousand, six hundred fifty".