53019650 has 12 divisors (see below), whose sum is σ = 98616642. Its totient is φ = 21207840.

The previous prime is 53019649. The next prime is 53019667. The reversal of 53019650 is 5691035.

It can be written as a sum of positive squares in 3 ways, for example, as 25593481 + 27426169 = 5059^2 + 5237^2 .

It is a super-2 number, since 2×53019650² = 5622166572245000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530147 + ... + 530246.

Almost surely, 2^53019650 is an apocalyptic number.

53019650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53019650 is a deficient number, since it is larger than the sum of its proper divisors (45596992).

53019650 is a wasteful number, since it uses less digits than its factorization.

53019650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060405 (or 1060400 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 53019650 is about 7281.4593317549. The cubic root of 53019650 is about 375.6749917083.

The spelling of 53019650 in words is "fifty-three million, nineteen thousand, six hundred fifty".