545911481952 has 192 divisors, whose sum is σ = 1684875064320. Its totient is φ = 171606758400.

The previous prime is 545911481933. The next prime is 545911481971. The reversal of 545911481952 is 259184119545.

545911481952 is a `hidden beast` number, since 5 + 4 + 591 + 1 + 48 + 1 + 9 + 5 + 2 = 666.

545911481952 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (545911481933) and next prime (545911481971).

It is a super-2 number, since 2×545911481952² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217452 + ... + 1604372.

It is an arithmetic number, because the mean of its divisors is an integer number (8775390960).

Almost surely, 2^545911481952 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 545911481952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842437532160).

545911481952 is an abundant number, since it is smaller than the sum of its proper divisors (1138963582368).

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

545911481952 is a wasteful number, since it uses less digits than its factorization.

545911481952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387034 (or 387020 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 54.

The spelling of 545911481952 in words is "five hundred forty-five billion, nine hundred eleven million, four hundred eighty-one thousand, nine hundred fifty-two".