53653850 has 12 divisors (see below), whose sum is σ = 99796254. Its totient is φ = 21461520.

The previous prime is 53653843. The next prime is 53653883. The reversal of 53653850 is 5835635.

It is a happy number.

53653850 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 3 ways, for example, as 45144961 + 8508889 = 6719^2 + 2917^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53653850.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 536489 + ... + 536588.

Almost surely, 2^53653850 is an apocalyptic number.

53653850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53653850 is a deficient number, since it is larger than the sum of its proper divisors (46142404).

53653850 is a wasteful number, since it uses less digits than its factorization.

53653850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073089 (or 1073084 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 53653850 is about 7324.8788385884. The cubic root of 53653850 is about 377.1669503799.

The spelling of 53653850 in words is "fifty-three million, six hundred fifty-three thousand, eight hundred fifty".