55328414 has 4 divisors (see below), whose sum is σ = 82992624. Its totient is φ = 27664206.

The previous prime is 55328411. The next prime is 55328419. The reversal of 55328414 is 41482355.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×55328414² = 6122466791510792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55328411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13832102 + ... + 13832105.

It is an arithmetic number, because the mean of its divisors is an integer number (20748156).

Almost surely, 2^55328414 is an apocalyptic number.

55328414 is a deficient number, since it is larger than the sum of its proper divisors (27664210).

55328414 is a wasteful number, since it uses less digits than its factorization.

55328414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27664209.

The product of its digits is 19200, while the sum is 32.

The square root of 55328414 is about 7438.3071998943. The cubic root of 55328414 is about 381.0506795080.

The spelling of 55328414 in words is "fifty-five million, three hundred twenty-eight thousand, four hundred fourteen".