55227405 has 8 divisors (see below), whose sum is σ = 88363872. Its totient is φ = 29454608.

The previous prime is 55227391. The next prime is 55227413. The reversal of 55227405 is 50472255.

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 55227405 - 2⁸ = 55227149 is a prime.

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, 1840899 + ... + 1840928.

It is an arithmetic number, because the mean of its divisors is an integer number (11045484).

Almost surely, 2^55227405 is an apocalyptic number.

It is an amenable number.

55227405 is a deficient number, since it is larger than the sum of its proper divisors (33136467).

55227405 is a wasteful number, since it uses less digits than its factorization.

55227405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681835.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55227405 is about 7431.5143140547. The cubic root of 55227405 is about 380.8186528897.

The spelling of 55227405 in words is "fifty-five million, two hundred twenty-seven thousand, four hundred five".