55141420 has 24 divisors (see below), whose sum is σ = 121892400. Its totient is φ = 20895552.

The previous prime is 55141417. The next prime is 55141483. The reversal of 55141420 is 2414155.

It is a junction number, because it is equal to n+sod(n) for n = 55141391 and 55141400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72175 + ... + 72934.

It is an arithmetic number, because the mean of its divisors is an integer number (5078850).

Almost surely, 2^55141420 is an apocalyptic number.

It is an amenable number.

55141420 is an abundant number, since it is smaller than the sum of its proper divisors (66750980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55141420 is a wasteful number, since it uses less digits than its factorization.

55141420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145137 (or 145135 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55141420 is about 7425.7269004455. The cubic root of 55141420 is about 380.6209147060.

Adding to 55141420 its reverse (2414155), we get a palindrome (57555575).

The spelling of 55141420 in words is "fifty-five million, one hundred forty-one thousand, four hundred twenty".