55671023145582 has 96 divisors (see below), whose sum is σ = 132926836250208. Its totient is φ = 16730318803968.

The previous prime is 55671023145557. The next prime is 55671023145583. The reversal of 55671023145582 is 28554132017655.

55671023145582 is a `hidden beast` number, since 5 + 5 + 6 + 7 + 10 + 2 + 3 + 1 + 45 + 582 = 666.

It is a super-2 number, since 2×55671023145582² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55671023145583) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209730498 + ... + 209995770.

It is an arithmetic number, because the mean of its divisors is an integer number (1384654544273).

Almost surely, 2^{55671023145582} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55671023145582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66463418125104).

55671023145582 is an abundant number, since it is smaller than the sum of its proper divisors (77255813104626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55671023145582 is a wasteful number, since it uses less digits than its factorization.

55671023145582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286194 (or 286191 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 54.

The spelling of 55671023145582 in words is "fifty-five trillion, six hundred seventy-one billion, twenty-three million, one hundred forty-five thousand, five hundred eighty-two".