55424130 has 16 divisors (see below), whose sum is σ = 133017984. Its totient is φ = 14779760.

The previous prime is 55424129. The next prime is 55424179. The reversal of 55424130 is 3142455.

It is a self number, because there is not a number n which added to its sum of digits gives 55424130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923706 + ... + 923765.

It is an arithmetic number, because the mean of its divisors is an integer number (8313624).

Almost surely, 2^55424130 is an apocalyptic number.

55424130 is an abundant number, since it is smaller than the sum of its proper divisors (77593854).

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

55424130 is a wasteful number, since it uses less digits than its factorization.

55424130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847481.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 55424130 is about 7444.7384104480. The cubic root of 55424130 is about 381.2702871942.

Adding to 55424130 its reverse (3142455), we get a palindrome (58566585).

The spelling of 55424130 in words is "fifty-five million, four hundred twenty-four thousand, one hundred thirty".