55381275793900 has 36 divisors (see below), whose sum is σ = 137345563970608. Its totient is φ = 18987865986240.

The previous prime is 55381275793873. The next prime is 55381275793927. The reversal of 55381275793900 is 939757218355.

It is an interprime number because it is at equal distance from previous prime (55381275793873) and next prime (55381275793927).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39558053439 + ... + 39558054838.

Almost surely, 2^{55381275793900} is an apocalyptic number.

55381275793900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55381275793900 is an abundant number, since it is smaller than the sum of its proper divisors (81964288176708).

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

55381275793900 is a wasteful number, since it uses less digits than its factorization.

55381275793900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79116108298 (or 79116108291 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 64.

The spelling of 55381275793900 in words is "fifty-five trillion, three hundred eighty-one billion, two hundred seventy-five million, seven hundred ninety-three thousand, nine hundred".