5445391 has 16 divisors (see below), whose sum is σ = 6476800. Its totient is φ = 4481568.

The previous prime is 5445383. The next prime is 5445403. The reversal of 5445391 is 1935445.

It is not a de Polignac number, because 5445391 - 2³ = 5445383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23665 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (404800).

Almost surely, 2^5445391 is an apocalyptic number.

5445391 is a deficient number, since it is larger than the sum of its proper divisors (1031409).

5445391 is a wasteful number, since it uses less digits than its factorization.

5445391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its digits is 10800, while the sum is 31.

The square root of 5445391 is about 2333.5361578514. The cubic root of 5445391 is about 175.9312640509.

The spelling of 5445391 in words is "five million, four hundred forty-five thousand, three hundred ninety-one".