5781550 has 12 divisors (see below), whose sum is σ = 10753776. Its totient is φ = 2312600.

The previous prime is 5781541. The next prime is 5781553. The reversal of 5781550 is 551875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57766 + ... + 57865.

It is an arithmetic number, because the mean of its divisors is an integer number (896148).

Almost surely, 2^5781550 is an apocalyptic number.

5781550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5781550 is a deficient number, since it is larger than the sum of its proper divisors (4972226).

5781550 is a wasteful number, since it uses less digits than its factorization.

5781550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115643 (or 115638 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 5781550 is about 2404.4853919290. The cubic root of 5781550 is about 179.4794632039.

The spelling of 5781550 in words is "five million, seven hundred eighty-one thousand, five hundred fifty".