55520248 has 32 divisors (see below), whose sum is σ = 120929760. Its totient is φ = 23402880.

The previous prime is 55520233. The next prime is 55520281. The reversal of 55520248 is 84202555.

It is a congruent number.

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, 4711 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (3779055).

Almost surely, 2^55520248 is an apocalyptic number.

It is an amenable number.

55520248 is an abundant number, since it is smaller than the sum of its proper divisors (65409512).

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

55520248 is a wasteful number, since it uses less digits than its factorization.

55520248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327 (or 16323 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 55520248 is about 7451.1910457322. The cubic root of 55520248 is about 381.4905629306.

The spelling of 55520248 in words is "fifty-five million, five hundred twenty thousand, two hundred forty-eight".