55388246 has 4 divisors (see below), whose sum is σ = 83082372. Its totient is φ = 27694122.

The previous prime is 55388219. The next prime is 55388269. The reversal of 55388246 is 64288355.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13847060 + ... + 13847063.

It is an arithmetic number, because the mean of its divisors is an integer number (20770593).

Almost surely, 2^55388246 is an apocalyptic number.

55388246 is a deficient number, since it is larger than the sum of its proper divisors (27694126).

55388246 is a wasteful number, since it uses less digits than its factorization.

55388246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27694125.

The product of its digits is 230400, while the sum is 41.

The square root of 55388246 is about 7442.3279959970. The cubic root of 55388246 is about 381.1879857567.

The spelling of 55388246 in words is "fifty-five million, three hundred eighty-eight thousand, two hundred forty-six".