55263012528 has 30 divisors (see below), whose sum is σ = 142766989932. Its totient is φ = 18420461280.

The previous prime is 55263012517. The next prime is 55263012551. The reversal of 55263012528 is 82521036255.

It is a super-3 number, since 3×55263012528³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611723 + ... + 1645653.

Almost surely, 2^55263012528 is an apocalyptic number.

It is an amenable number.

55263012528 is an abundant number, since it is smaller than the sum of its proper divisors (87503977404).

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

55263012528 is an frugal number, since it uses more digits than its factorization.

55263012528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67873 (or 33936 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 55263012528 in words is "fifty-five billion, two hundred sixty-three million, twelve thousand, five hundred twenty-eight".