56166723950 has 12 divisors (see below), whose sum is σ = 104470106640. Its totient is φ = 22466689560.

The previous prime is 56166723947. The next prime is 56166723953. The reversal of 56166723950 is 5932766165.

It is a happy number.

56166723950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56166723947) and next prime (56166723953).

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 1123334479 = 56166723950 / (5 + 6 + 1 + 6 + 6 + 7 + 2 + 3 + 9 + 5 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56166723953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561667190 + ... + 561667289.

It is an arithmetic number, because the mean of its divisors is an integer number (8705842220).

Almost surely, 2^56166723950 is an apocalyptic number.

56166723950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56166723950 is a deficient number, since it is larger than the sum of its proper divisors (48303382690).

56166723950 is a wasteful number, since it uses less digits than its factorization.

56166723950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123334491 (or 1123334486 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 56166723950 in words is "fifty-six billion, one hundred sixty-six million, seven hundred twenty-three thousand, nine hundred fifty".