53664250 has 16 divisors (see below), whose sum is σ = 100459944. Its totient is φ = 21465600.

The previous prime is 53664211. The next prime is 53664251. The reversal of 53664250 is 5246635.

It can be written as a sum of positive squares in 4 ways, for example, as 2241009 + 51423241 = 1497^2 + 7171^2 .

It is not an unprimeable number, because it can be changed into a prime (53664251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107079 + ... + 107578.

Almost surely, 2^53664250 is an apocalyptic number.

53664250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53664250 is a deficient number, since it is larger than the sum of its proper divisors (46795694).

53664250 is a wasteful number, since it uses less digits than its factorization.

53664250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214674 (or 214664 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 53664250 is about 7325.5887135438. The cubic root of 53664250 is about 377.1913182048.

The spelling of 53664250 in words is "fifty-three million, six hundred sixty-four thousand, two hundred fifty".