55793491533 has 24 divisors (see below), whose sum is σ = 86821371000. Its totient is φ = 34321996800.

The previous prime is 55793491499. The next prime is 55793491543. The reversal of 55793491533 is 33519439755.

55793491533 is a `hidden beast` number, since 5 + 5 + 79 + 34 + 9 + 1 + 533 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 91355364 + 55702136169 = 9558^2 + 236013^2 .

It is not a de Polignac number, because 55793491533 - 2¹⁶ = 55793425997 is a prime.

It is a super-2 number, since 2×55793491533² (a number of 22 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 55793491533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55793491543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242593 + ... + 412841.

It is an arithmetic number, because the mean of its divisors is an integer number (3617557125).

Almost surely, 2^55793491533 is an apocalyptic number.

It is an amenable number.

55793491533 is a deficient number, since it is larger than the sum of its proper divisors (31027879467).

55793491533 is a wasteful number, since it uses less digits than its factorization.

55793491533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173069 (or 173066 counting only the distinct ones).

The product of its digits is 7654500, while the sum is 54.

The spelling of 55793491533 in words is "fifty-five billion, seven hundred ninety-three million, four hundred ninety-one thousand, five hundred thirty-three".