30050055 has 32 divisors (see below), whose sum is σ = 61056000. Its totient is φ = 13736736.

The previous prime is 30050051. The next prime is 30050071. The reversal of 30050055 is 55005003.

It is not a de Polignac number, because 30050055 - 2² = 30050051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30050051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14955 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (1908000).

Almost surely, 2^30050055 is an apocalyptic number.

30050055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30050055 is an abundant number, since it is smaller than the sum of its proper divisors (31005945).

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

30050055 is a wasteful number, since it uses less digits than its factorization.

30050055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31820 (or 31814 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 30050055 is about 5481.7930460753. The cubic root of 30050055 is about 310.8959684856.

Adding to 30050055 its reverse (55005003), we get a palindrome (85055058).

The spelling of 30050055 in words is "thirty million, fifty thousand, fifty-five".