5502781 has 8 divisors (see below), whose sum is σ = 5893560. Its totient is φ = 5119488.

The previous prime is 5502743. The next prime is 5502793. The reversal of 5502781 is 1872055.

It can be written as a sum of positive squares in 4 ways, for example, as 22500 + 5480281 = 150^2 + 2341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5502781 - 2⁹ = 5502269 is a prime.

It is a super-2 number, since 2×5502781² = 60561197467922, which contains 22 as substring.

5502781 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5502181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (736695).

Almost surely, 2^5502781 is an apocalyptic number.

It is an amenable number.

5502781 is a deficient number, since it is larger than the sum of its proper divisors (390779).

5502781 is a wasteful number, since it uses less digits than its factorization.

5502781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5502781 is about 2345.8007161735. The cubic root of 5502781 is about 176.5471629615.

The spelling of 5502781 in words is "five million, five hundred two thousand, seven hundred eighty-one".