30055486 has 4 divisors (see below), whose sum is σ = 45083232. Its totient is φ = 15027742.

The previous prime is 30055483. The next prime is 30055489. The reversal of 30055486 is 68455003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68455003 = 1759 ⋅38917.

It is an interprime number because it is at equal distance from previous prime (30055483) and next prime (30055489).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7513870 + ... + 7513873.

It is an arithmetic number, because the mean of its divisors is an integer number (11270808).

Almost surely, 2^30055486 is an apocalyptic number.

30055486 is a deficient number, since it is larger than the sum of its proper divisors (15027746).

30055486 is a wasteful number, since it uses less digits than its factorization.

30055486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15027745.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 30055486 is about 5482.2883908091. The cubic root of 30055486 is about 310.9146969515.

The spelling of 30055486 in words is "thirty million, fifty-five thousand, four hundred eighty-six".