2055722751630 has 56 divisors (see below), whose sum is σ = 5547913519752. Its totient is φ = 548192731824.

The previous prime is 2055722751629. The next prime is 2055722751707. The reversal of 2055722751630 is 361572275502.

2055722751630 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 7 + 2 + 2 + 7 + 5 + 1 + 630 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 140988784 + ... + 141003363.

Almost surely, 2^{2055722751630} is an apocalyptic number.

2055722751630 is an abundant number, since it is smaller than the sum of its proper divisors (3492190768122).

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

2055722751630 is an equidigital number, since it uses as much as digits as its factorization.

2055722751630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281992172 (or 281992157 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 2055722751630 in words is "two trillion, fifty-five billion, seven hundred twenty-two million, seven hundred fifty-one thousand, six hundred thirty".