53003000250 has 48 divisors (see below), whose sum is σ = 143320118760. Its totient is φ = 14134132800.

The previous prime is 53003000243. The next prime is 53003000257. The reversal of 53003000250 is 5200030035.

It is an interprime number because it is at equal distance from previous prime (53003000243) and next prime (53003000257).

It can be written as a sum of positive squares in 4 ways, for example, as 15529396689 + 37473603561 = 124617^2 + 193581^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53003000257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11776195 + ... + 11780694.

Almost surely, 2^53003000250 is an apocalyptic number.

53003000250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53003000250 is an abundant number, since it is smaller than the sum of its proper divisors (90317118510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53003000250 is a wasteful number, since it uses less digits than its factorization.

53003000250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23556912 (or 23556899 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

Adding to 53003000250 its reverse (5200030035), we get a palindrome (58203030285).

The spelling of 53003000250 in words is "fifty-three billion, three million, two hundred fifty", and thus it is an aban number.