1053813656 has 32 divisors (see below), whose sum is σ = 2259636480. Its totient is φ = 451341600.

The previous prime is 1053813653. The next prime is 1053813679. The reversal of 1053813656 is 6563183501.

It is a super-3 number, since 3×1053813656³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053813653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96221 + ... + 106611.

It is an arithmetic number, because the mean of its divisors is an integer number (70613640).

Almost surely, 2^1053813656 is an apocalyptic number.

It is an amenable number.

1053813656 is an abundant number, since it is smaller than the sum of its proper divisors (1205822824).

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

1053813656 is a wasteful number, since it uses less digits than its factorization.

1053813656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215 (or 12211 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1053813656 is about 32462.4961455523. The cubic root of 1053813656 is about 1017.6254052824.

The spelling of 1053813656 in words is "one billion, fifty-three million, eight hundred thirteen thousand, six hundred fifty-six".