5400538 has 32 divisors (see below), whose sum is σ = 9942912. Its totient is φ = 2164800.

The previous prime is 5400523. The next prime is 5400553. The reversal of 5400538 is 8350045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5400523) and next prime (5400553).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6168 + ... + 6988.

It is an arithmetic number, because the mean of its divisors is an integer number (310716).

Almost surely, 2^5400538 is an apocalyptic number.

5400538 is a deficient number, since it is larger than the sum of its proper divisors (4542374).

5400538 is a wasteful number, since it uses less digits than its factorization.

5400538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5400538 is about 2323.9057640102. The cubic root of 5400538 is about 175.4468904754.

The spelling of 5400538 in words is "five million, four hundred thousand, five hundred thirty-eight".