55420414 has 8 divisors (see below), whose sum is σ = 95006448. Its totient is φ = 23751600.

The previous prime is 55420381. The next prime is 55420427. The reversal of 55420414 is 41402455.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979287 + ... + 1979314.

It is an arithmetic number, because the mean of its divisors is an integer number (11875806).

Almost surely, 2^55420414 is an apocalyptic number.

55420414 is a deficient number, since it is larger than the sum of its proper divisors (39586034).

55420414 is a wasteful number, since it uses less digits than its factorization.

55420414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958610.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 55420414 is about 7444.4888340302. The cubic root of 55420414 is about 381.2617660438.

Adding to 55420414 its reverse (41402455), we get a palindrome (96822869).

The spelling of 55420414 in words is "fifty-five million, four hundred twenty thousand, four hundred fourteen".