1056546357 has 16 divisors (see below), whose sum is σ = 1534008000. Its totient is φ = 644281344.

The previous prime is 1056546353. The next prime is 1056546389. The reversal of 1056546357 is 7536456501.

It is not a de Polignac number, because 1056546357 - 2² = 1056546353 is a prime.

It is a super-2 number, since 2×1056546357² = 2232580408979942898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056546353) 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, 317932 + ... + 321237.

It is an arithmetic number, because the mean of its divisors is an integer number (95875500).

Almost surely, 2^1056546357 is an apocalyptic number.

It is an amenable number.

1056546357 is a deficient number, since it is larger than the sum of its proper divisors (477461643).

1056546357 is a wasteful number, since it uses less digits than its factorization.

1056546357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639220.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 1056546357 is about 32504.5590186977. The cubic root of 1056546357 is about 1018.5042658115.

The spelling of 1056546357 in words is "one billion, fifty-six million, five hundred forty-six thousand, three hundred fifty-seven".