55916552506 has 16 divisors (see below), whose sum is σ = 85906437408. Its totient is φ = 27282301200.

The previous prime is 55916552491. The next prime is 55916552543. The reversal of 55916552506 is 60525561955.

It is a self number, because there is not a number n which added to its sum of digits gives 55916552506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215160 + ... + 397651.

It is an arithmetic number, because the mean of its divisors is an integer number (5369152338).

Almost surely, 2^55916552506 is an apocalyptic number.

55916552506 is a deficient number, since it is larger than the sum of its proper divisors (29989884902).

55916552506 is a wasteful number, since it uses less digits than its factorization.

55916552506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613917.

The product of its (nonzero) digits is 2025000, while the sum is 49.

The spelling of 55916552506 in words is "fifty-five billion, nine hundred sixteen million, five hundred fifty-two thousand, five hundred six".