55337978 has 8 divisors (see below), whose sum is σ = 83278272. Its totient is φ = 27578556.

The previous prime is 55337969. The next prime is 55337983. The reversal of 55337978 is 87973355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44450 + ... + 45677.

It is an arithmetic number, because the mean of its divisors is an integer number (10409784).

Almost surely, 2^55337978 is an apocalyptic number.

55337978 is a deficient number, since it is larger than the sum of its proper divisors (27940294).

55337978 is a wasteful number, since it uses less digits than its factorization.

55337978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90436.

The product of its digits is 793800, while the sum is 47.

The square root of 55337978 is about 7438.9500603244. The cubic root of 55337978 is about 381.0726342233.

The spelling of 55337978 in words is "fifty-five million, three hundred thirty-seven thousand, nine hundred seventy-eight".