2054345656 has 64 divisors (see below), whose sum is σ = 4270462560. Its totient is φ = 918720000.

The previous prime is 2054345651. The next prime is 2054345659. The reversal of 2054345656 is 6565434502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054345651) 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, 1608090 + ... + 1609366.

Almost surely, 2^2054345656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2054345656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135231280).

2054345656 is an abundant number, since it is smaller than the sum of its proper divisors (2216116904).

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

2054345656 is a wasteful number, since it uses less digits than its factorization.

2054345656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 2054345656 is about 45324.8900274452. The cubic root of 2054345656 is about 1271.2310909450.

The spelling of 2054345656 in words is "two billion, fifty-four million, three hundred forty-five thousand, six hundred fifty-six".