55763351858 has 16 divisors (see below), whose sum is σ = 86547118680. Its totient is φ = 26914707456.

The previous prime is 55763351837. The next prime is 55763351939. The reversal of 55763351858 is 85815336755.

It can be written as a sum of positive squares in 4 ways, for example, as 31720678609 + 24042673249 = 178103^2 + 155057^2 .

It is a super-2 number, since 2×55763351858² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 193316 + ... + 385872.

Almost surely, 2^55763351858 is an apocalyptic number.

55763351858 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55763351858 is a deficient number, since it is larger than the sum of its proper divisors (30783766822).

55763351858 is a wasteful number, since it uses less digits than its factorization.

55763351858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197581.

The product of its digits is 15120000, while the sum is 56.

The spelling of 55763351858 in words is "fifty-five billion, seven hundred sixty-three million, three hundred fifty-one thousand, eight hundred fifty-eight".