55278000550502 has 64 divisors (see below), whose sum is σ = 88518569838336. Its totient is φ = 25799525283840.

The previous prime is 55278000550501. The next prime is 55278000550543. The reversal of 55278000550502 is 20505500087255.

It is a super-2 number, since 2×55278000550502² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55278000550501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9628633352 + ... + 9628639092.

It is an arithmetic number, because the mean of its divisors is an integer number (1383102653724).

Almost surely, 2^{55278000550502} is an apocalyptic number.

55278000550502 is a deficient number, since it is larger than the sum of its proper divisors (33240569287834).

55278000550502 is a wasteful number, since it uses less digits than its factorization.

55278000550502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10241.

The product of its (nonzero) digits is 700000, while the sum is 44.

The spelling of 55278000550502 in words is "fifty-five trillion, two hundred seventy-eight billion, five hundred fifty thousand, five hundred two".