55867378 has 16 divisors (see below), whose sum is σ = 96986880. Its totient is φ = 23639616.

The previous prime is 55867333. The next prime is 55867387. The reversal of 55867378 is 87376855.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24151 + ... + 26362.

It is an arithmetic number, because the mean of its divisors is an integer number (6061680).

Almost surely, 2^55867378 is an apocalyptic number.

55867378 is a deficient number, since it is larger than the sum of its proper divisors (41119502).

55867378 is a wasteful number, since it uses less digits than its factorization.

55867378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601.

The product of its digits is 1411200, while the sum is 49.

The square root of 55867378 is about 7474.4483408476. The cubic root of 55867378 is about 382.2839778691.

The spelling of 55867378 in words is "fifty-five million, eight hundred sixty-seven thousand, three hundred seventy-eight".