55616070609 has 64 divisors (see below), whose sum is σ = 94676428800. Its totient is φ = 31912056000.

The previous prime is 55616070589. The next prime is 55616070637. The reversal of 55616070609 is 90607061655.

It is not a de Polignac number, because 55616070609 - 2⁵ = 55616070577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55616070509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15025459 + ... + 15029159.

It is an arithmetic number, because the mean of its divisors is an integer number (1479319200).

Almost surely, 2^55616070609 is an apocalyptic number.

It is an amenable number.

55616070609 is a deficient number, since it is larger than the sum of its proper divisors (39060358191).

55616070609 is a wasteful number, since it uses less digits than its factorization.

55616070609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403 (or 6397 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 55616070609 in words is "fifty-five billion, six hundred sixteen million, seventy thousand, six hundred nine".