54778882 has 4 divisors (see below), whose sum is σ = 82168326. Its totient is φ = 27389440.

The previous prime is 54778873. The next prime is 54778901. The reversal of 54778882 is 28887745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28887745 = 5 ⋅5777549.

It can be written as a sum of positive squares in only one way, i.e., 39576681 + 15202201 = 6291^2 + 3899^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13694719 + ... + 13694722.

Almost surely, 2^54778882 is an apocalyptic number.

54778882 is a deficient number, since it is larger than the sum of its proper divisors (27389444).

54778882 is a wasteful number, since it uses less digits than its factorization.

54778882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27389443.

The product of its digits is 1003520, while the sum is 49.

The square root of 54778882 is about 7401.2757008505. The cubic root of 54778882 is about 379.7849244608.

The spelling of 54778882 in words is "fifty-four million, seven hundred seventy-eight thousand, eight hundred eighty-two".