5499945 has 48 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 2592000.

The previous prime is 5499941. The next prime is 5499953.

5499945 is nontrivially palindromic in base 10.

5499945 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5499945 - 2² = 5499941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5499945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499941) 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, 20160 + ... + 20430.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^5499945 is an apocalyptic number.

5499945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5499945 is a deficient number, since it is larger than the sum of its proper divisors (5192919).

5499945 is a wasteful number, since it uses less digits than its factorization.

5499945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 331 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 5499945 is about 2345.1961538430. The cubic root of 5499945 is about 176.5168283730.

5499945 divided by its sum of digits (45) gives a palindrome (122221).

It can be divided in two parts, 54 and 99945, that added together give a palindrome (99999).

The spelling of 5499945 in words is "five million, four hundred ninety-nine thousand, nine hundred forty-five".