5455538390 has 16 divisors (see below), whose sum is σ = 9823712832. Its totient is φ = 2181383424.

The previous prime is 5455538369. The next prime is 5455538393. The reversal of 5455538390 is 938355545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455538393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76094 + ... + 129233.

It is an arithmetic number, because the mean of its divisors is an integer number (613982052).

Almost surely, 2^5455538390 is an apocalyptic number.

5455538390 is a deficient number, since it is larger than the sum of its proper divisors (4368174442).

5455538390 is a wasteful number, since it uses less digits than its factorization.

5455538390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207991.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The square root of 5455538390 is about 73861.6164865081. The cubic root of 5455538390 is about 1760.4047784122.

The spelling of 5455538390 in words is "five billion, four hundred fifty-five million, five hundred thirty-eight thousand, three hundred ninety".