30553148 has 12 divisors (see below), whose sum is σ = 56613312. Its totient is φ = 14377920.

The previous prime is 30553147. The next prime is 30553169. The reversal of 30553148 is 84135503.

It is a super-3 number, since 3×30553148³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30553148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553141) 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, 224588 + ... + 224723.

It is an arithmetic number, because the mean of its divisors is an integer number (4717776).

Almost surely, 2^30553148 is an apocalyptic number.

It is an amenable number.

30553148 is a deficient number, since it is larger than the sum of its proper divisors (26060164).

30553148 is a wasteful number, since it uses less digits than its factorization.

30553148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449332 (or 449330 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 30553148 is about 5527.4902080420. The cubic root of 30553148 is about 312.6213646998.

The spelling of 30553148 in words is "thirty million, five hundred fifty-three thousand, one hundred forty-eight".