5390091 has 48 divisors (see below), whose sum is σ = 9753600. Its totient is φ = 2881008.

The previous prime is 5390087. The next prime is 5390131. The reversal of 5390091 is 1900935.

5390091 = 58³ + 59³ + ... + 75³.

It is not a de Polignac number, because 5390091 - 2² = 5390087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5390041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68190 + ... + 68268.

It is an arithmetic number, because the mean of its divisors is an integer number (203200).

Almost surely, 2^5390091 is an apocalyptic number.

5390091 is a deficient number, since it is larger than the sum of its proper divisors (4363509).

5390091 is a wasteful number, since it uses less digits than its factorization.

5390091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 5390091 is about 2321.6569514035. The cubic root of 5390091 is about 175.3336871359. Note that the first 3 decimals are identical.

The spelling of 5390091 in words is "five million, three hundred ninety thousand, ninety-one".