30525055 has 16 divisors (see below), whose sum is σ = 40892544. Its totient is φ = 21682080.

The previous prime is 30525041. The next prime is 30525059. The reversal of 30525055 is 55052503.

It is a de Polignac number, because none of the positive numbers 2^k-30525055 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4089 + ... + 8818.

It is an arithmetic number, because the mean of its divisors is an integer number (2555784).

Almost surely, 2^30525055 is an apocalyptic number.

30525055 is a deficient number, since it is larger than the sum of its proper divisors (10367489).

30525055 is a wasteful number, since it uses less digits than its factorization.

30525055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 30525055 is about 5524.9484160488. The cubic root of 30525055 is about 312.5255189827.

Adding to 30525055 its reverse (55052503), we get a palindrome (85577558).

The spelling of 30525055 in words is "thirty million, five hundred twenty-five thousand, fifty-five".