1054645964556 has 48 divisors (see below), whose sum is σ = 2637234587904. Its totient is φ = 327175713216.

The previous prime is 1054645964507. The next prime is 1054645964557. The reversal of 1054645964556 is 6554695464501.

It is a happy number.

It is a super-2 number, since 2×1054645964556² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054645964556.

It is not an unprimeable number, because it can be changed into a prime (1054645964557) 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, 51627370 + ... + 51647793.

It is an arithmetic number, because the mean of its divisors is an integer number (54942387248).

Almost surely, 2^{1054645964556} is an apocalyptic number.

It is an amenable number.

1054645964556 is an abundant number, since it is smaller than the sum of its proper divisors (1582588623348).

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

1054645964556 is a wasteful number, since it uses less digits than its factorization.

1054645964556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103275230 (or 103275228 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 60.

The spelling of 1054645964556 in words is "one trillion, fifty-four billion, six hundred forty-five million, nine hundred sixty-four thousand, five hundred fifty-six".