56017020730 has 16 divisors (see below), whose sum is σ = 109997059104. Its totient is φ = 20369825680.

The previous prime is 56017020727. The next prime is 56017020737. The reversal of 56017020730 is 3702071065.

It is a super-2 number, since 2×56017020730² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56017020692 and 56017020701.

It is not an unprimeable number, because it can be changed into a prime (56017020737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254622712 + ... + 254622931.

It is an arithmetic number, because the mean of its divisors is an integer number (6874816194).

Almost surely, 2^56017020730 is an apocalyptic number.

56017020730 is a deficient number, since it is larger than the sum of its proper divisors (53980038374).

56017020730 is a wasteful number, since it uses less digits than its factorization.

56017020730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509245661.

The product of its (nonzero) digits is 8820, while the sum is 31.

Adding to 56017020730 its reverse (3702071065), we get a palindrome (59719091795).

The spelling of 56017020730 in words is "fifty-six billion, seventeen million, twenty thousand, seven hundred thirty".