55399354 has 8 divisors (see below), whose sum is σ = 83154708. Its totient is φ = 27681120.

The previous prime is 55399349. The next prime is 55399369. The reversal of 55399354 is 45399355.

It can be written as a sum of positive squares in 2 ways, for example, as 53363025 + 2036329 = 7305^2 + 1427^2 .

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 55399354.

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, 5187 + ... + 11734.

Almost surely, 2^55399354 is an apocalyptic number.

55399354 is a deficient number, since it is larger than the sum of its proper divisors (27755354).

55399354 is a wasteful number, since it uses less digits than its factorization.

55399354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560.

The product of its digits is 364500, while the sum is 43.

The square root of 55399354 is about 7443.0742304507. The cubic root of 55399354 is about 381.2134662117.

Subtracting from 55399354 its reverse (45399355), we obtain a palindrome (9999999).

The spelling of 55399354 in words is "fifty-five million, three hundred ninety-nine thousand, three hundred fifty-four".