53772650 has 12 divisors (see below), whose sum is σ = 100017222. Its totient is φ = 21509040.

The previous prime is 53772619. The next prime is 53772673. The reversal of 53772650 is 5627735.

It can be written as a sum of positive squares in 3 ways, for example, as 47183161 + 6589489 = 6869^2 + 2567^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53772650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537677 + ... + 537776.

Almost surely, 2^53772650 is an apocalyptic number.

53772650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53772650 is a deficient number, since it is larger than the sum of its proper divisors (46244572).

53772650 is a wasteful number, since it uses less digits than its factorization.

53772650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075465 (or 1075460 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 53772650 is about 7332.9837037866. The cubic root of 53772650 is about 377.4451186974.

The spelling of 53772650 in words is "fifty-three million, seven hundred seventy-two thousand, six hundred fifty".