30052755 has 16 divisors (see below), whose sum is σ = 53427360. Its totient is φ = 16028064.

The previous prime is 30052751. The next prime is 30052807. The reversal of 30052755 is 55725003.

It is not a de Polignac number, because 30052755 - 2² = 30052751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30052751) 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, 111172 + ... + 111441.

It is an arithmetic number, because the mean of its divisors is an integer number (3339210).

Almost surely, 2^30052755 is an apocalyptic number.

30052755 is a deficient number, since it is larger than the sum of its proper divisors (23374605).

30052755 is a wasteful number, since it uses less digits than its factorization.

30052755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222627 (or 222621 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 30052755 is about 5482.0393103297. The cubic root of 30052755 is about 310.9052795498.

Adding to 30052755 its reverse (55725003), we get a palindrome (85777758).

The spelling of 30052755 in words is "thirty million, fifty-two thousand, seven hundred fifty-five".