30052532500 has 30 divisors (see below), whose sum is σ = 65718883538. Its totient is φ = 12021012000.

The previous prime is 30052532483. The next prime is 30052532507. The reversal of 30052532500 is 523525003.

It can be written as a sum of positive squares in 5 ways, for example, as 11335009156 + 18717523344 = 106466^2 + 136812^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052532507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6008007 + ... + 6013006.

Almost surely, 2^30052532500 is an apocalyptic number.

It is an amenable number.

30052532500 is an abundant number, since it is smaller than the sum of its proper divisors (35666351038).

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

30052532500 is a wasteful number, since it uses less digits than its factorization.

30052532500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021037 (or 12021020 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The spelling of 30052532500 in words is "thirty billion, fifty-two million, five hundred thirty-two thousand, five hundred".