52547455772550 has 96 divisors (see below), whose sum is σ = 153314929850400. Its totient is φ = 13188381050880.

The previous prime is 52547455772521. The next prime is 52547455772557. The reversal of 52547455772550 is 5527755474525.

52547455772550 is a `hidden beast` number, since 5 + 2 + 5 + 4 + 7 + 4 + 5 + 5 + 7 + 72 + 550 = 666.

It is a super-2 number, since 2×52547455772550² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52547455772557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1144801795 + ... + 1144847694.

It is an arithmetic number, because the mean of its divisors is an integer number (1597030519275).

Almost surely, 2^{52547455772550} is an apocalyptic number.

52547455772550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52547455772550 is an abundant number, since it is smaller than the sum of its proper divisors (100767474077850).

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

52547455772550 is a wasteful number, since it uses less digits than its factorization.

52547455772550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289649527 (or 2289649516 counting only the distinct ones).

The product of its (nonzero) digits is 343000000, while the sum is 63.

The spelling of 52547455772550 in words is "fifty-two trillion, five hundred forty-seven billion, four hundred fifty-five million, seven hundred seventy-two thousand, five hundred fifty".