30527056 has 20 divisors (see below), whose sum is σ = 67595872. Its totient is φ = 13082976.

The previous prime is 30527039. The next prime is 30527059. The reversal of 30527056 is 65072503.

It is a super-2 number, since 2×30527056² = 1863802296054272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30527059) 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, 136170 + ... + 136393.

Almost surely, 2^30527056 is an apocalyptic number.

It is an amenable number.

30527056 is an abundant number, since it is smaller than the sum of its proper divisors (37068816).

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

30527056 is a wasteful number, since it uses less digits than its factorization.

30527056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272578 (or 272572 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 30527056 is about 5525.1295007448. The cubic root of 30527056 is about 312.5323477981.

Adding to 30527056 its reverse (65072503), we get a palindrome (95599559).

The spelling of 30527056 in words is "thirty million, five hundred twenty-seven thousand, fifty-six".