30052057 has 8 divisors (see below), whose sum is σ = 35183232. Its totient is φ = 25130400.

The previous prime is 30052049. The next prime is 30052081. The reversal of 30052057 is 75025003.

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 30052057 - 2³ = 30052049 is a prime.

It is a super-2 number, since 2×30052057² = 1806252259862498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30052027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52069 + ... + 52642.

It is an arithmetic number, because the mean of its divisors is an integer number (4397904).

Almost surely, 2^30052057 is an apocalyptic number.

It is an amenable number.

30052057 is a deficient number, since it is larger than the sum of its proper divisors (5131175).

30052057 is a wasteful number, since it uses less digits than its factorization.

30052057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104759.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 30052057 is about 5481.9756475198. The cubic root of 30052057 is about 310.9028725207.

The spelling of 30052057 in words is "thirty million, fifty-two thousand, fifty-seven".