55019508 has 12 divisors (see below), whose sum is σ = 128378880. Its totient is φ = 18339832.

The previous prime is 55019491. The next prime is 55019521. The reversal of 55019508 is 80591055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292468 + ... + 2292491.

It is an arithmetic number, because the mean of its divisors is an integer number (10698240).

Almost surely, 2^55019508 is an apocalyptic number.

It is an amenable number.

55019508 is an abundant number, since it is smaller than the sum of its proper divisors (73359372).

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

55019508 is a wasteful number, since it uses less digits than its factorization.

55019508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584966 (or 4584964 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 55019508 is about 7417.5135995831. The cubic root of 55019508 is about 380.3402031835.

The spelling of 55019508 in words is "fifty-five million, nineteen thousand, five hundred eight".