545250215530 has 256 divisors, whose sum is σ = 1165698293760. Its totient is φ = 182233497600.

The previous prime is 545250215417. The next prime is 545250215567. The reversal of 545250215530 is 35512052545.

It is a super-2 number, since 2×545250215530² (a number of 24 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 545250215530.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 636230862 + ... + 636231718.

It is an arithmetic number, because the mean of its divisors is an integer number (4553508960).

Almost surely, 2^545250215530 is an apocalyptic number.

545250215530 is an abundant number, since it is smaller than the sum of its proper divisors (620448078230).

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

545250215530 is a wasteful number, since it uses less digits than its factorization.

545250215530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 545250215530 in words is "five hundred forty-five billion, two hundred fifty million, two hundred fifteen thousand, five hundred thirty".