56558632040 has 16 divisors (see below), whose sum is σ = 127256922180. Its totient is φ = 22623452800.

The previous prime is 56558632019. The next prime is 56558632061. The reversal of 56558632040 is 4023685565.

It is an interprime number because it is at equal distance from previous prime (56558632019) and next prime (56558632061).

It can be written as a sum of positive squares in 2 ways, for example, as 56056244644 + 502387396 = 236762^2 + 22414^2 .

It is a super-2 number, since 2×56558632040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56558631982 and 56558632000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706982861 + ... + 706982940.

Almost surely, 2^56558632040 is an apocalyptic number.

It is an amenable number.

56558632040 is an abundant number, since it is smaller than the sum of its proper divisors (70698290140).

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

56558632040 is a wasteful number, since it uses less digits than its factorization.

56558632040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413965812 (or 1413965808 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 56558632040 in words is "fifty-six billion, five hundred fifty-eight million, six hundred thirty-two thousand, forty".