55616070566 has 32 divisors (see below), whose sum is σ = 99510078528. Its totient is φ = 22815336960.

The previous prime is 55616070553. The next prime is 55616070569. The reversal of 55616070566 is 66507061655.

It is a self number, because there is not a number n which added to its sum of digits gives 55616070566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616070569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883655 + ... + 944498.

It is an arithmetic number, because the mean of its divisors is an integer number (3109689954).

Almost surely, 2^55616070566 is an apocalyptic number.

55616070566 is a deficient number, since it is larger than the sum of its proper divisors (43894007962).

55616070566 is a wasteful number, since it uses less digits than its factorization.

55616070566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828256.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 55616070566 in words is "fifty-five billion, six hundred sixteen million, seventy thousand, five hundred sixty-six".