30550253280 has 48 divisors (see below), whose sum is σ = 96233299344. Its totient is φ = 8146734080.

The previous prime is 30550253249. The next prime is 30550253323. The reversal of 30550253280 is 8235205503.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31822701 + ... + 31823660.

It is an arithmetic number, because the mean of its divisors is an integer number (2004860403).

Almost surely, 2^30550253280 is an apocalyptic number.

30550253280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30550253280 is an abundant number, since it is smaller than the sum of its proper divisors (65683046064).

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

30550253280 is a wasteful number, since it uses less digits than its factorization.

30550253280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63646379 (or 63646371 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 30550253280 its reverse (8235205503), we get a palindrome (38785458783).

The spelling of 30550253280 in words is "thirty billion, five hundred fifty million, two hundred fifty-three thousand, two hundred eighty".