1056853549 has 16 divisors (see below), whose sum is σ = 1138665600. Its totient is φ = 977835456.

The previous prime is 1056853543. The next prime is 1056853621. The reversal of 1056853549 is 9453586501.

It is not a de Polignac number, because 1056853549 - 2⁵ = 1056853517 is a prime.

It is a super-2 number, since 2×1056853549² = 2233878848067790802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056853499 and 1056853508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056853543) 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, 228312 + ... + 232894.

It is an arithmetic number, because the mean of its divisors is an integer number (71166600).

Almost surely, 2^1056853549 is an apocalyptic number.

1056853549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1056853549 is a deficient number, since it is larger than the sum of its proper divisors (81812051).

1056853549 is a wasteful number, since it uses less digits than its factorization.

1056853549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884.

The product of its (nonzero) digits is 648000, while the sum is 46.

The square root of 1056853549 is about 32509.2840431776. The cubic root of 1056853549 is about 1018.6029666532.

The spelling of 1056853549 in words is "one billion, fifty-six million, eight hundred fifty-three thousand, five hundred forty-nine".