55707077738 has 16 divisors (see below), whose sum is σ = 90008459520. Its totient is φ = 25705215216.

The previous prime is 55707077737. The next prime is 55707077743. The reversal of 55707077738 is 83777070755.

It is a happy number.

55707077738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55707077737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119570 + ... + 354557.

It is an arithmetic number, because the mean of its divisors is an integer number (5625528720).

Almost surely, 2^55707077738 is an apocalyptic number.

55707077738 is a deficient number, since it is larger than the sum of its proper divisors (34301381782).

55707077738 is a wasteful number, since it uses less digits than its factorization.

55707077738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478661.

The product of its (nonzero) digits is 10084200, while the sum is 56.

The spelling of 55707077738 in words is "fifty-five billion, seven hundred seven million, seventy-seven thousand, seven hundred thirty-eight".