55287352154 has 4 divisors (see below), whose sum is σ = 82931028234. Its totient is φ = 27643676076.

The previous prime is 55287352129. The next prime is 55287352177. The reversal of 55287352154 is 45125378255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50522901529 + 4764450625 = 224773^2 + 69025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55287352099 and 55287352108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13821838037 + ... + 13821838040.

Almost surely, 2^55287352154 is an apocalyptic number.

55287352154 is a deficient number, since it is larger than the sum of its proper divisors (27643676080).

55287352154 is a wasteful number, since it uses less digits than its factorization.

55287352154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27643676079.

The product of its digits is 1680000, while the sum is 47.

The spelling of 55287352154 in words is "fifty-five billion, two hundred eighty-seven million, three hundred fifty-two thousand, one hundred fifty-four".