53261650 has 48 divisors (see below), whose sum is σ = 108368064. Its totient is φ = 19356480.

The previous prime is 53261647. The next prime is 53261701. The reversal of 53261650 is 5616235.

53261650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 42939 + ... + 44161.

It is an arithmetic number, because the mean of its divisors is an integer number (2257668).

Almost surely, 2^53261650 is an apocalyptic number.

53261650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53261650 is an abundant number, since it is smaller than the sum of its proper divisors (55106414).

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

53261650 is a wasteful number, since it uses less digits than its factorization.

53261650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53261650 is about 7298.0579608551. The cubic root of 53261650 is about 376.2456944427.

Adding to 53261650 its reverse (5616235), we get a palindrome (58877885).

The spelling of 53261650 in words is "fifty-three million, two hundred sixty-one thousand, six hundred fifty".