56020030 has 32 divisors (see below), whose sum is σ = 110315520. Its totient is φ = 20313120.

The previous prime is 56020001. The next prime is 56020039. The reversal of 56020030 is 3002065.

It is a super-2 number, since 2×56020030² = 6276487522401800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56019986 and 56020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56020039) 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, 66351 + ... + 67189.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^56020030 is an apocalyptic number.

56020030 is a deficient number, since it is larger than the sum of its proper divisors (54295490).

56020030 is a wasteful number, since it uses less digits than its factorization.

56020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 56020030 is about 7484.6529645669. The cubic root of 56020030 is about 382.6318454167.

Adding to 56020030 its reverse (3002065), we get a palindrome (59022095).

The spelling of 56020030 in words is "fifty-six million, twenty thousand, thirty".