55121414 has 8 divisors (see below), whose sum is σ = 83534808. Its totient is φ = 27276480.

The previous prime is 55121401. The next prime is 55121419. The reversal of 55121414 is 41412155.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55121414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55121419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141872 + ... + 142259.

It is an arithmetic number, because the mean of its divisors is an integer number (10441851).

Almost surely, 2^55121414 is an apocalyptic number.

55121414 is a deficient number, since it is larger than the sum of its proper divisors (28413394).

55121414 is a wasteful number, since it uses less digits than its factorization.

55121414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284230.

The product of its digits is 800, while the sum is 23.

The square root of 55121414 is about 7424.3797047295. The cubic root of 55121414 is about 380.5748777879.

Adding to 55121414 its reverse (41412155), we get a palindrome (96533569).

The spelling of 55121414 in words is "fifty-five million, one hundred twenty-one thousand, four hundred fourteen".