55419952 has 40 divisors (see below), whose sum is σ = 123492096. Its totient is φ = 23601216.

The previous prime is 55419929. The next prime is 55420039. The reversal of 55419952 is 25991455.

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, 17223 + ... + 20185.

Almost surely, 2^55419952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55419952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61746048).

55419952 is an abundant number, since it is smaller than the sum of its proper divisors (68072144).

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

55419952 is a wasteful number, since it uses less digits than its factorization.

55419952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3139 counting only the distinct ones).

The product of its digits is 81000, while the sum is 40.

The square root of 55419952 is about 7444.4578042998. The cubic root of 55419952 is about 381.2607066061.

The spelling of 55419952 in words is "fifty-five million, four hundred nineteen thousand, nine hundred fifty-two".