55039587975750 has 128 divisors (see below), whose sum is σ = 162418299863040. Its totient is φ = 12146667657600.

The previous prime is 55039587975679. The next prime is 55039587975767. The reversal of 55039587975750 is 5757978593055.

It is a Harshad number since it is a multiple of its sum of digits (75).

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 63 ways as a sum of consecutive naturals, for example, 180601734 + ... + 180906233.

It is an arithmetic number, because the mean of its divisors is an integer number (1268892967680).

Almost surely, 2^{55039587975750} is an apocalyptic number.

55039587975750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55039587975750 is an abundant number, since it is smaller than the sum of its proper divisors (107378711887290).

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

55039587975750 is a wasteful number, since it uses less digits than its factorization.

55039587975750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361508023 (or 361508013 counting only the distinct ones).

The product of its (nonzero) digits is 2083725000, while the sum is 75.

The spelling of 55039587975750 in words is "fifty-five trillion, thirty-nine billion, five hundred eighty-seven million, nine hundred seventy-five thousand, seven hundred fifty".