5515950 has 48 divisors (see below), whose sum is σ = 14927616. Its totient is φ = 1336800.

The previous prime is 5515949. The next prime is 5515963. The reversal of 5515950 is 595155.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (310992).

Almost surely, 2^5515950 is an apocalyptic number.

5515950 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 5515950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7463808).

5515950 is an abundant number, since it is smaller than the sum of its proper divisors (9411666).

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

5515950 is a wasteful number, since it uses less digits than its factorization.

5515950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369 (or 3364 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 30.

The square root of 5515950 is about 2348.6059695062. The cubic root of 5515950 is about 176.6878855887.

The spelling of 5515950 in words is "five million, five hundred fifteen thousand, nine hundred fifty".