55353405 has 8 divisors (see below), whose sum is σ = 88565472. Its totient is φ = 29521808.

The previous prime is 55353401. The next prime is 55353407. The reversal of 55353405 is 50435355.

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

It is a cyclic number.

It is not a de Polignac number, because 55353405 - 2² = 55353401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55353401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845099 + ... + 1845128.

It is an arithmetic number, because the mean of its divisors is an integer number (11070684).

Almost surely, 2^55353405 is an apocalyptic number.

It is an amenable number.

55353405 is a deficient number, since it is larger than the sum of its proper divisors (33212067).

55353405 is a wasteful number, since it uses less digits than its factorization.

55353405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690235.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 55353405 is about 7439.9868951497. The cubic root of 55353405 is about 381.1080424639.

The spelling of 55353405 in words is "fifty-five million, three hundred fifty-three thousand, four hundred five".