55742847730 has 8 divisors (see below), whose sum is σ = 100337125932. Its totient is φ = 22297139088.

The previous prime is 55742847707. The next prime is 55742847737. The reversal of 55742847730 is 3774824755.

It can be written as a sum of positive squares in 2 ways, for example, as 51203996089 + 4538851641 = 226283^2 + 67371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55742847737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787142377 + ... + 2787142396.

Almost surely, 2^55742847730 is an apocalyptic number.

55742847730 is a deficient number, since it is larger than the sum of its proper divisors (44594278202).

55742847730 is a wasteful number, since it uses less digits than its factorization.

55742847730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574284780.

The product of its (nonzero) digits is 6585600, while the sum is 52.

The spelling of 55742847730 in words is "fifty-five billion, seven hundred forty-two million, eight hundred forty-seven thousand, seven hundred thirty".