30554420 has 24 divisors (see below), whose sum is σ = 69100584. Its totient is φ = 11281536.

The previous prime is 30554417. The next prime is 30554431. The reversal of 30554420 is 2445503.

It can be written as a sum of positive squares in 4 ways, for example, as 128164 + 30426256 = 358^2 + 5516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58499 + ... + 59018.

It is an arithmetic number, because the mean of its divisors is an integer number (2879191).

Almost surely, 2^30554420 is an apocalyptic number.

It is an amenable number.

30554420 is an abundant number, since it is smaller than the sum of its proper divisors (38546164).

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

30554420 is a wasteful number, since it uses less digits than its factorization.

30554420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117539 (or 117537 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30554420 is about 5527.6052681066. The cubic root of 30554420 is about 312.6257030292.

Adding to 30554420 its reverse (2445503), we get a palindrome (32999923).

The spelling of 30554420 in words is "thirty million, five hundred fifty-four thousand, four hundred twenty".