5551900 has 36 divisors (see below), whose sum is σ = 12264840. Its totient is φ = 2180800.

The previous prime is 5551879. The next prime is 5551919. The reversal of 5551900 is 91555.

It is a super-2 number, since 2×5551900² = 61647187220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5430 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (340690).

Almost surely, 2^5551900 is an apocalyptic number.

5551900 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 5551900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6132420).

5551900 is an abundant number, since it is smaller than the sum of its proper divisors (6712940).

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

5551900 is a wasteful number, since it uses less digits than its factorization.

5551900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 5551900 is about 2356.2470159132. The cubic root of 5551900 is about 177.0709069327.

The spelling of 5551900 in words is "five million, five hundred fifty-one thousand, nine hundred".