55353885 has 8 divisors (see below), whose sum is σ = 88566240. Its totient is φ = 29522064.

The previous prime is 55353871. The next prime is 55353899. The reversal of 55353885 is 58835355.

It is an interprime number because it is at equal distance from previous prime (55353871) and next prime (55353899).

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

It is not a de Polignac number, because 55353885 - 2⁴ = 55353869 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 in 7 ways as a sum of consecutive naturals, for example, 1845115 + ... + 1845144.

It is an arithmetic number, because the mean of its divisors is an integer number (11070780).

Almost surely, 2^55353885 is an apocalyptic number.

It is an amenable number.

55353885 is a deficient number, since it is larger than the sum of its proper divisors (33212355).

55353885 is a wasteful number, since it uses less digits than its factorization.

55353885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690267.

The product of its digits is 360000, while the sum is 42.

The square root of 55353885 is about 7440.0191532012. The cubic root of 55353885 is about 381.1091440603.

The spelling of 55353885 in words is "fifty-five million, three hundred fifty-three thousand, eight hundred eighty-five".