55919386 has 8 divisors (see below), whose sum is σ = 83996640. Its totient is φ = 27920508.

The previous prime is 55919363. The next prime is 55919401. The reversal of 55919386 is 68391955.

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, 17776 + ... + 20683.

It is an arithmetic number, because the mean of its divisors is an integer number (10499580).

Almost surely, 2^55919386 is an apocalyptic number.

55919386 is a deficient number, since it is larger than the sum of its proper divisors (28077254).

55919386 is a wasteful number, since it uses less digits than its factorization.

55919386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39188.

The product of its digits is 291600, while the sum is 46.

The square root of 55919386 is about 7477.9265842879. The cubic root of 55919386 is about 382.4025662092.

The spelling of 55919386 in words is "fifty-five million, nine hundred nineteen thousand, three hundred eighty-six".