53072650 has 12 divisors (see below), whose sum is σ = 98715222. Its totient is φ = 21229040.

The previous prime is 53072647. The next prime is 53072653. The reversal of 53072650 is 5627035.

It is an interprime number because it is at equal distance from previous prime (53072647) and next prime (53072653).

It can be written as a sum of positive squares in 3 ways, for example, as 50509449 + 2563201 = 7107^2 + 1601^2 .

It is not an unprimeable number, because it can be changed into a prime (53072653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530677 + ... + 530776.

Almost surely, 2^53072650 is an apocalyptic number.

53072650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53072650 is a deficient number, since it is larger than the sum of its proper divisors (45642572).

53072650 is a wasteful number, since it uses less digits than its factorization.

53072650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061465 (or 1061460 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 53072650 is about 7285.0978030497. The cubic root of 53072650 is about 375.8001286074.

Adding to 53072650 its reverse (5627035), we get a palindrome (58699685).

The spelling of 53072650 in words is "fifty-three million, seventy-two thousand, six hundred fifty".