55500533078 has 4 divisors (see below), whose sum is σ = 83250799620. Its totient is φ = 27750266538.

The previous prime is 55500533027. The next prime is 55500533083. The reversal of 55500533078 is 87033500555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87033500555 = 5 ⋅17406700111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875133268 + ... + 13875133271.

It is an arithmetic number, because the mean of its divisors is an integer number (20812699905).

Almost surely, 2^55500533078 is an apocalyptic number.

55500533078 is a deficient number, since it is larger than the sum of its proper divisors (27750266542).

55500533078 is a wasteful number, since it uses less digits than its factorization.

55500533078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750266541.

The product of its (nonzero) digits is 315000, while the sum is 41.

The spelling of 55500533078 in words is "fifty-five billion, five hundred million, five hundred thirty-three thousand, seventy-eight".