30513055 has 8 divisors (see below), whose sum is σ = 36655632. Its totient is φ = 24383808.

The previous prime is 30513047. The next prime is 30513097. The reversal of 30513055 is 55031503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30513055 - 2³ = 30513047 is a prime.

It is a Duffinian number.

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, 2704 + ... + 8266.

It is an arithmetic number, because the mean of its divisors is an integer number (4581954).

Almost surely, 2^30513055 is an apocalyptic number.

30513055 is a deficient number, since it is larger than the sum of its proper divisors (6142577).

30513055 is a wasteful number, since it uses less digits than its factorization.

30513055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 30513055 is about 5523.8623263076. The cubic root of 30513055 is about 312.4845603038.

Adding to 30513055 its reverse (55031503), we get a palindrome (85544558).

The spelling of 30513055 in words is "thirty million, five hundred thirteen thousand, fifty-five".