55278352 has 10 divisors (see below), whose sum is σ = 107101838. Its totient is φ = 27639168.

The previous prime is 55278343. The next prime is 55278371. The reversal of 55278352 is 25387255.

55278352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 9634816 = 6756^2 + 3104^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727433 + ... + 1727464.

Almost surely, 2^55278352 is an apocalyptic number.

It is an amenable number.

55278352 is a deficient number, since it is larger than the sum of its proper divisors (51823486).

55278352 is a wasteful number, since it uses less digits than its factorization.

55278352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454905 (or 3454899 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 55278352 is about 7434.9412909585. The cubic root of 55278352 is about 380.9357179894.

The spelling of 55278352 in words is "fifty-five million, two hundred seventy-eight thousand, three hundred fifty-two".