54882778 has 4 divisors (see below), whose sum is σ = 82324170. Its totient is φ = 27441388.

The previous prime is 54882769. The next prime is 54882791. The reversal of 54882778 is 87728845.

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., 51739249 + 3143529 = 7193^2 + 1773^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13720693 + ... + 13720696.

Almost surely, 2^54882778 is an apocalyptic number.

54882778 is a deficient number, since it is larger than the sum of its proper divisors (27441392).

54882778 is a wasteful number, since it uses less digits than its factorization.

54882778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27441391.

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

The square root of 54882778 is about 7408.2911659842. The cubic root of 54882778 is about 380.0248783343.

The spelling of 54882778 in words is "fifty-four million, eight hundred eighty-two thousand, seven hundred seventy-eight".