5457771456 has 56 divisors (see below), whose sum is σ = 14482145280. Its totient is φ = 1813992192.

The previous prime is 5457771437. The next prime is 5457771479. The reversal of 5457771456 is 6541777545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5457771399 and 5457771408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25665 + ... + 107583.

Almost surely, 2^5457771456 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 5457771456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7241072640).

5457771456 is an abundant number, since it is smaller than the sum of its proper divisors (9024373824).

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

5457771456 is a wasteful number, since it uses less digits than its factorization.

5457771456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82281 (or 82271 counting only the distinct ones).

The product of its digits is 4116000, while the sum is 51.

The square root of 5457771456 is about 73876.7314923989. The cubic root of 5457771456 is about 1760.6449358166.

The spelling of 5457771456 in words is "five billion, four hundred fifty-seven million, seven hundred seventy-one thousand, four hundred fifty-six".