30550038 has 16 divisors (see below), whose sum is σ = 62521536. Its totient is φ = 9946440.

The previous prime is 30550033. The next prime is 30550067. The reversal of 30550038 is 83005503.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30550031) 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, 58948 + ... + 59463.

It is an arithmetic number, because the mean of its divisors is an integer number (3907596).

Almost surely, 2^30550038 is an apocalyptic number.

30550038 is an abundant number, since it is smaller than the sum of its proper divisors (31971498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30550038 is a wasteful number, since it uses less digits than its factorization.

30550038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118459.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30550038 is about 5527.2088797150. The cubic root of 30550038 is about 312.6107571139.

The spelling of 30550038 in words is "thirty million, five hundred fifty thousand, thirty-eight".