55971223046 has 32 divisors (see below), whose sum is σ = 90119161440. Its totient is φ = 26019173376.

The previous prime is 55971223027. The next prime is 55971223067. The reversal of 55971223046 is 64032217955.

It is a junction number, because it is equal to n+sod(n) for n = 55971222988 and 55971223006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73721 + ... + 342603.

It is an arithmetic number, because the mean of its divisors is an integer number (2816223795).

Almost surely, 2^55971223046 is an apocalyptic number.

55971223046 is a deficient number, since it is larger than the sum of its proper divisors (34147938394).

55971223046 is a wasteful number, since it uses less digits than its factorization.

55971223046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269048.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 55971223046 in words is "fifty-five billion, nine hundred seventy-one million, two hundred twenty-three thousand, forty-six".