56109428403250 has 32 divisors (see below), whose sum is σ = 105040648206000. Its totient is φ = 22442959772800.

The previous prime is 56109428403187. The next prime is 56109428403251. The reversal of 56109428403250 is 5230482490165.

It can be written as a sum of positive squares in 8 ways, for example, as 5484481558609 + 50624946844641 = 2341897^2 + 7115121^2 .

It is a super-2 number, since 2×56109428403250² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56109428403194 and 56109428403203.

It is not an unprimeable number, because it can be changed into a prime (56109428403251) 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, 2893182 + ... + 10981318.

Almost surely, 2^{56109428403250} is an apocalyptic number.

56109428403250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56109428403250 is a deficient number, since it is larger than the sum of its proper divisors (48931219802750).

56109428403250 is a wasteful number, since it uses less digits than its factorization.

56109428403250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115903 (or 8115893 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 56109428403250 in words is "fifty-six trillion, one hundred nine billion, four hundred twenty-eight million, four hundred three thousand, two hundred fifty".