30554960 has 20 divisors (see below), whose sum is σ = 71040468. Its totient is φ = 12221952.

The previous prime is 30554959. The next prime is 30554969. The reversal of 30554960 is 6945503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 12645136 = 4232^2 + 3556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30554969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190889 + ... + 191048.

Almost surely, 2^30554960 is an apocalyptic number.

It is an amenable number.

30554960 is an abundant number, since it is smaller than the sum of its proper divisors (40485508).

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

30554960 is a wasteful number, since it uses less digits than its factorization.

30554960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381950 (or 381944 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 30554960 is about 5527.6541136363. The cubic root of 30554960 is about 312.6275447364.

The spelling of 30554960 in words is "thirty million, five hundred fifty-four thousand, nine hundred sixty".