55397486 has 8 divisors (see below), whose sum is σ = 84148320. Its totient is φ = 27348048.

The previous prime is 55397479. The next prime is 55397513. The reversal of 55397486 is 68479355.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55397486.

It is a congruent number.

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, 175151 + ... + 175466.

It is an arithmetic number, because the mean of its divisors is an integer number (10518540).

Almost surely, 2^55397486 is an apocalyptic number.

55397486 is a deficient number, since it is larger than the sum of its proper divisors (28750834).

55397486 is a wasteful number, since it uses less digits than its factorization.

55397486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350698.

The product of its digits is 907200, while the sum is 47.

The square root of 55397486 is about 7442.9487436096. The cubic root of 55397486 is about 381.2091814760.

The spelling of 55397486 in words is "fifty-five million, three hundred ninety-seven thousand, four hundred eighty-six".