53045667556 has 180 divisors, whose sum is σ = 115929838332. Its totient is φ = 21226837632.

The previous prime is 53045667547. The next prime is 53045667569. The reversal of 53045667556 is 65576654035.

It can be written as a sum of positive squares in 2 ways, for example, as 46822035456 + 6223632100 = 216384^2 + 78890^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 269267250 + ... + 269267446.

Almost surely, 2^53045667556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53045667556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57964919166).

53045667556 is an abundant number, since it is smaller than the sum of its proper divisors (62884170776).

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

53045667556 is a wasteful number, since it uses less digits than its factorization.

53045667556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 52.

The spelling of 53045667556 in words is "fifty-three billion, forty-five million, six hundred sixty-seven thousand, five hundred fifty-six".