55504250 has 64 divisors (see below), whose sum is σ = 109175040. Its totient is φ = 21112000.

The previous prime is 55504249. The next prime is 55504259. The reversal of 55504250 is 5240555.

It is not an unprimeable number, because it can be changed into a prime (55504259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781715 + ... + 781785.

It is an arithmetic number, because the mean of its divisors is an integer number (1705860).

Almost surely, 2^55504250 is an apocalyptic number.

55504250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55504250 is a deficient number, since it is larger than the sum of its proper divisors (53670790).

55504250 is a wasteful number, since it uses less digits than its factorization.

55504250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 55504250 is about 7450.1174487386. The cubic root of 55504250 is about 381.4539176073.

The spelling of 55504250 in words is "fifty-five million, five hundred four thousand, two hundred fifty".