56620030 has 32 divisors (see below), whose sum is σ = 108397440. Its totient is φ = 21219840.

The previous prime is 56620001. The next prime is 56620037. The reversal of 56620030 is 3002665.

It is a junction number, because it is equal to n+sod(n) for n = 56619983 and 56620010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56620037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45456 + ... + 46684.

It is an arithmetic number, because the mean of its divisors is an integer number (3387420).

Almost surely, 2^56620030 is an apocalyptic number.

56620030 is a deficient number, since it is larger than the sum of its proper divisors (51777410).

56620030 is a wasteful number, since it uses less digits than its factorization.

56620030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 56620030 is about 7524.6282300191. The cubic root of 56620030 is about 383.9930509087.

Adding to 56620030 its reverse (3002665), we get a palindrome (59622695).

The spelling of 56620030 in words is "fifty-six million, six hundred twenty thousand, thirty".