55763844136 has 192 divisors, whose sum is σ = 141866524800. Its totient is φ = 19995655680.

The previous prime is 55763844089. The next prime is 55763844161. The reversal of 55763844136 is 63144836755.

It is a Harshad number since it is a multiple of its sum of digits (52).

Its product of digits (7257600) is a multiple of the sum of its prime factors (1920).

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 47 ways as a sum of consecutive naturals, for example, 39022270 + ... + 39023698.

It is an arithmetic number, because the mean of its divisors is an integer number (738888150).

Almost surely, 2^55763844136 is an apocalyptic number.

55763844136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55763844136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70933262400).

55763844136 is an abundant number, since it is smaller than the sum of its proper divisors (86102680664).

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

55763844136 is a wasteful number, since it uses less digits than its factorization.

55763844136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920 (or 1905 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 55763844136 in words is "fifty-five billion, seven hundred sixty-three million, eight hundred forty-four thousand, one hundred thirty-six".