55322405 has 16 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 43288128.

The previous prime is 55322389. The next prime is 55322411. The reversal of 55322405 is 50422355.

It is a cyclic number.

It is not a de Polignac number, because 55322405 - 2⁴ = 55322389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44624 + ... + 45846.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^55322405 is an apocalyptic number.

It is an amenable number.

55322405 is a deficient number, since it is larger than the sum of its proper divisors (12536155).

55322405 is a wasteful number, since it uses less digits than its factorization.

55322405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55322405 is about 7437.9032663782. The cubic root of 55322405 is about 381.0368842066.

The spelling of 55322405 in words is "fifty-five million, three hundred twenty-two thousand, four hundred five".