55113404 has 6 divisors (see below), whose sum is σ = 96448464. Its totient is φ = 27556700.

The previous prime is 55113367. The next prime is 55113413. The reversal of 55113404 is 40431155.

It is a self number, because there is not a number n which added to its sum of digits gives 55113404.

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, 6889172 + ... + 6889179.

It is an arithmetic number, because the mean of its divisors is an integer number (16074744).

Almost surely, 2^55113404 is an apocalyptic number.

It is an amenable number.

55113404 is a deficient number, since it is larger than the sum of its proper divisors (41335060).

55113404 is a wasteful number, since it uses less digits than its factorization.

55113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778355 (or 13778353 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55113404 is about 7423.8402461260. The cubic root of 55113404 is about 380.5564424091.

Adding to 55113404 its reverse (40431155), we get a palindrome (95544559).

The spelling of 55113404 in words is "fifty-five million, one hundred thirteen thousand, four hundred four".