5475990 has 64 divisors (see below), whose sum is σ = 14918400. Its totient is φ = 1275264.

The previous prime is 5475979. The next prime is 5475991. The reversal of 5475990 is 995745.

5475990 = 77² + 78² + ... + 256².

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5475991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7041 + ... + 7779.

It is an arithmetic number, because the mean of its divisors is an integer number (233100).

Almost surely, 2^5475990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5475990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7459200).

5475990 is an abundant number, since it is smaller than the sum of its proper divisors (9442410).

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

5475990 is a wasteful number, since it uses less digits than its factorization.

5475990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 5475990 is about 2340.0833318495. The cubic root of 5475990 is about 176.2601825011.

The spelling of 5475990 in words is "five million, four hundred seventy-five thousand, nine hundred ninety".