53249504650 has 24 divisors (see below), whose sum is σ = 99051192684. Its totient is φ = 21298272000.

The previous prime is 53249504647. The next prime is 53249504653. The reversal of 53249504650 is 5640594235.

It is an interprime number because it is at equal distance from previous prime (53249504647) and next prime (53249504653).

It can be written as a sum of positive squares in 6 ways, for example, as 4947574921 + 48301929729 = 70339^2 + 219777^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53249504597 and 53249504606.

It is not an unprimeable number, because it can be changed into a prime (53249504653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885954 + ... + 944146.

Almost surely, 2^53249504650 is an apocalyptic number.

53249504650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53249504650 is a deficient number, since it is larger than the sum of its proper divisors (45801688034).

53249504650 is a wasteful number, since it uses less digits than its factorization.

53249504650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76506 (or 76501 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 53249504650 in words is "fifty-three billion, two hundred forty-nine million, five hundred four thousand, six hundred fifty".