55911455 has 8 divisors (see below), whose sum is σ = 67606704. Its totient is φ = 44387200.

The previous prime is 55911437. The next prime is 55911469. The reversal of 55911455 is 55411955.

55911455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55911455 - 2¹⁴ = 55895071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42026 + ... + 43335.

It is an arithmetic number, because the mean of its divisors is an integer number (8450838).

Almost surely, 2^55911455 is an apocalyptic number.

55911455 is a deficient number, since it is larger than the sum of its proper divisors (11695249).

55911455 is a wasteful number, since it uses less digits than its factorization.

55911455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85497.

The product of its digits is 22500, while the sum is 35.

The square root of 55911455 is about 7477.3962714303. The cubic root of 55911455 is about 382.3844867418.

Adding to 55911455 its product of digits (22500), we get a palindrome (55933955).

Subtracting from 55911455 its reverse (55411955), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 55911455 in words is "fifty-five million, nine hundred eleven thousand, four hundred fifty-five".