55916745 has 16 divisors (see below), whose sum is σ = 89580480. Its totient is φ = 29784384.

The previous prime is 55916741. The next prime is 55916767. The reversal of 55916745 is 54761955.

55916745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55916745 - 2² = 55916741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55916697 and 55916706.

It is not an unprimeable number, because it can be changed into a prime (55916741) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13086 + ... + 16824.

It is an arithmetic number, because the mean of its divisors is an integer number (5598780).

Almost surely, 2^55916745 is an apocalyptic number.

It is an amenable number.

55916745 is a deficient number, since it is larger than the sum of its proper divisors (33663735).

55916745 is a wasteful number, since it uses less digits than its factorization.

55916745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744.

The product of its digits is 189000, while the sum is 42.

The square root of 55916745 is about 7477.7499958209. The cubic root of 55916745 is about 382.3965459888.

The spelling of 55916745 in words is "fifty-five million, nine hundred sixteen thousand, seven hundred forty-five".