55540950 has 96 divisors (see below), whose sum is σ = 144038400. Its totient is φ = 14152320.

The previous prime is 55540949. The next prime is 55540967. The reversal of 55540950 is 5904555.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 509496 + ... + 509604.

It is an arithmetic number, because the mean of its divisors is an integer number (1500400).

Almost surely, 2^55540950 is an apocalyptic number.

55540950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55540950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72019200).

55540950 is an abundant number, since it is smaller than the sum of its proper divisors (88497450).

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

55540950 is a wasteful number, since it uses less digits than its factorization.

55540950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55540950 is about 7452.5800901433. The cubic root of 55540950 is about 381.5379728788.

The spelling of 55540950 in words is "fifty-five million, five hundred forty thousand, nine hundred fifty".