55012424 has 16 divisors (see below), whose sum is σ = 103337520. Its totient is φ = 27455760.

The previous prime is 55012421. The next prime is 55012453. The reversal of 55012424 is 42421055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55012424.

It is not an unprimeable number, because it can be changed into a prime (55012421) 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, 1454 + ... + 10589.

It is an arithmetic number, because the mean of its divisors is an integer number (6458595).

Almost surely, 2^55012424 is an apocalyptic number.

It is an amenable number.

55012424 is a deficient number, since it is larger than the sum of its proper divisors (48325096).

55012424 is a wasteful number, since it uses less digits than its factorization.

55012424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620 (or 12616 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55012424 is about 7417.0360657071. The cubic root of 55012424 is about 380.3238789999.

Adding to 55012424 its reverse (42421055), we get a palindrome (97433479).

The spelling of 55012424 in words is "fifty-five million, twelve thousand, four hundred twenty-four".