55241000 has 64 divisors (see below), whose sum is σ = 132846480. Its totient is φ = 21484800.

The previous prime is 55240979. The next prime is 55241029. The reversal of 55241000 is 14255.

It can be written as a sum of positive squares in 8 ways, for example, as 18541636 + 36699364 = 4306^2 + 6058^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55241000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36254 + ... + 37746.

Almost surely, 2^55241000 is an apocalyptic number.

55241000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55241000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66423240).

55241000 is an abundant number, since it is smaller than the sum of its proper divisors (77605480).

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

55241000 is a wasteful number, since it uses less digits than its factorization.

55241000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 55241000 is about 7432.4289434881. The cubic root of 55241000 is about 380.8498982761.

Adding to 55241000 its reverse (14255), we get a palindrome (55255255).

The spelling of 55241000 in words is "fifty-five million, two hundred forty-one thousand".