30542550 has 24 divisors (see below), whose sum is σ = 75745896. Its totient is φ = 8144640.

The previous prime is 30542531. The next prime is 30542569. The reversal of 30542550 is 5524503.

It is an interprime number because it is at equal distance from previous prime (30542531) and next prime (30542569).

It is a self number, because there is not a number n which added to its sum of digits gives 30542550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101659 + ... + 101958.

It is an arithmetic number, because the mean of its divisors is an integer number (3156079).

Almost surely, 2^30542550 is an apocalyptic number.

30542550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30542550 is an abundant number, since it is smaller than the sum of its proper divisors (45203346).

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

30542550 is a wasteful number, since it uses less digits than its factorization.

30542550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203632 (or 203627 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 30542550 is about 5526.5314619569. The cubic root of 30542550 is about 312.5852140946.

The spelling of 30542550 in words is "thirty million, five hundred forty-two thousand, five hundred fifty".