545055651630 has 192 divisors, whose sum is σ = 1748288655360. Its totient is φ = 115058135808.

The previous prime is 545055651523. The next prime is 545055651743. The reversal of 545055651630 is 36156550545.

545055651630 is a `hidden beast` number, since 5 + 4 + 5 + 0 + 5 + 5 + 6 + 5 + 1 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228342 + ... + 1068761.

It is an arithmetic number, because the mean of its divisors is an integer number (9105670080).

Almost surely, 2^545055651630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545055651630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874144327680).

545055651630 is an abundant number, since it is smaller than the sum of its proper divisors (1203233003730).

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

545055651630 is a wasteful number, since it uses less digits than its factorization.

545055651630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297175 (or 1297172 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 545055651630 in words is "five hundred forty-five billion, fifty-five million, six hundred fifty-one thousand, six hundred thirty".