55020404072 has 16 divisors (see below), whose sum is σ = 103166481600. Its totient is φ = 27509342320.

The previous prime is 55020404071. The next prime is 55020404081. The reversal of 55020404072 is 27040402055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55020404071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225047 + ... + 400857.

It is an arithmetic number, because the mean of its divisors is an integer number (6447905100).

Almost surely, 2^55020404072 is an apocalyptic number.

It is an amenable number.

55020404072 is a deficient number, since it is larger than the sum of its proper divisors (48146077528).

55020404072 is a wasteful number, since it uses less digits than its factorization.

55020404072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214936 (or 214932 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The spelling of 55020404072 in words is "fifty-five billion, twenty million, four hundred four thousand, seventy-two".