55074040323550 has 48 divisors (see below), whose sum is σ = 102589137312480. Its totient is φ = 21997058434560.

The previous prime is 55074040323527. The next prime is 55074040323563. The reversal of 55074040323550 is 5532304047055.

It is a happy number.

It is a super-2 number, since 2×55074040323550² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55074040323497 and 55074040323506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380039506 + ... + 380184394.

It is an arithmetic number, because the mean of its divisors is an integer number (2137273694010).

Almost surely, 2^{55074040323550} is an apocalyptic number.

55074040323550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55074040323550 is a deficient number, since it is larger than the sum of its proper divisors (47515096988930).

55074040323550 is a wasteful number, since it uses less digits than its factorization.

55074040323550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156085 (or 156080 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 43.

The spelling of 55074040323550 in words is "fifty-five trillion, seventy-four billion, forty million, three hundred twenty-three thousand, five hundred fifty".