55150707750 has 32 divisors (see below), whose sum is σ = 137656168416. Its totient is φ = 14706855200.

The previous prime is 55150707749. The next prime is 55150707767. The reversal of 55150707750 is 5770705155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36766389 + ... + 36767888.

It is an arithmetic number, because the mean of its divisors is an integer number (4301755263).

Almost surely, 2^55150707750 is an apocalyptic number.

55150707750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55150707750 is an abundant number, since it is smaller than the sum of its proper divisors (82505460666).

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

55150707750 is a wasteful number, since it uses less digits than its factorization.

55150707750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73534297 (or 73534287 counting only the distinct ones).

The product of its (nonzero) digits is 214375, while the sum is 42.

The spelling of 55150707750 in words is "fifty-five billion, one hundred fifty million, seven hundred seven thousand, seven hundred fifty".