6457557546 has 32 divisors (see below), whose sum is σ = 15654686400. Its totient is φ = 1956835440.

The previous prime is 6457557481. The next prime is 6457557553.

It is a happy number.

6457557546 is a `hidden beast` number, since 6 + 45 + 7 + 5 + 57 + 546 = 666.

6457557546 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6457557492 and 6457557501.

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, 5435061 + ... + 5436248.

It is an arithmetic number, because the mean of its divisors is an integer number (489208950).

Almost surely, 2^6457557546 is an apocalyptic number.

6457557546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6457557546 is an abundant number, since it is smaller than the sum of its proper divisors (9197128854).

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

6457557546 is a wasteful number, since it uses less digits than its factorization.

6457557546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10871331 (or 10871325 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

The square root of 6457557546 is about 80358.9294727101. The cubic root of 6457557546 is about 1862.1847325239.

The spelling of 6457557546 in words is "six billion, four hundred fifty-seven million, five hundred fifty-seven thousand, five hundred forty-six".