545247870552 has 640 divisors, whose sum is σ = 1938245760000. Its totient is φ = 139102064640.

The previous prime is 545247870481. The next prime is 545247870637. The reversal of 545247870552 is 255078742545.

It is a happy number.

545247870552 is a `hidden beast` number, since 5 + 4 + 5 + 2 + 4 + 7 + 87 + 0 + 552 = 666.

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 159 ways as a sum of consecutive naturals, for example, 883707748 + ... + 883708364.

It is an arithmetic number, because the mean of its divisors is an integer number (3028509000).

Almost surely, 2^545247870552 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 545247870552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969122880000).

545247870552 is an abundant number, since it is smaller than the sum of its proper divisors (1392997889448).

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

545247870552 is a wasteful number, since it uses less digits than its factorization.

545247870552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 15680000, while the sum is 54.

The spelling of 545247870552 in words is "five hundred forty-five billion, two hundred forty-seven million, eight hundred seventy thousand, five hundred fifty-two".