55940706 has 40 divisors (see below), whose sum is σ = 126382080. Its totient is φ = 18493272.

The previous prime is 55940671. The next prime is 55940713. The reversal of 55940706 is 60704955.

55940706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19215 + ... + 21933.

It is an arithmetic number, because the mean of its divisors is an integer number (3159552).

Almost surely, 2^55940706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55940706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63191040).

55940706 is an abundant number, since it is smaller than the sum of its proper divisors (70441374).

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

55940706 is a wasteful number, since it uses less digits than its factorization.

55940706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 55940706 is about 7479.3519772772. The cubic root of 55940706 is about 382.4511587003.

The spelling of 55940706 in words is "fifty-five million, nine hundred forty thousand, seven hundred six".