5455610820 has 240 divisors, whose sum is σ = 18990417600. Its totient is φ = 1299905280.

The previous prime is 5455610813. The next prime is 5455610821. The reversal of 5455610820 is 280165545.

5455610820 is a `hidden beast` number, since 545 + 5 + 6 + 108 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5455610821) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 1048786 + ... + 1053974.

It is an arithmetic number, because the mean of its divisors is an integer number (79126740).

Almost surely, 2^5455610820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5455610820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9495208800).

5455610820 is an abundant number, since it is smaller than the sum of its proper divisors (13534806780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5455610820 is a wasteful number, since it uses less digits than its factorization.

5455610820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280 (or 5269 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 5455610820 is about 73862.1067936733. The cubic root of 5455610820 is about 1760.4125690001.

The spelling of 5455610820 in words is "five billion, four hundred fifty-five million, six hundred ten thousand, eight hundred twenty".