9955450506 has 32 divisors (see below), whose sum is σ = 20403835200. Its totient is φ = 3236385920.

The previous prime is 9955450489. The next prime is 9955450511. The reversal of 9955450506 is 6050545599.

It is a super-2 number, since 2×9955450506² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924280 + ... + 934988.

It is an arithmetic number, because the mean of its divisors is an integer number (637619850).

Almost surely, 2^9955450506 is an apocalyptic number.

9955450506 is an abundant number, since it is smaller than the sum of its proper divisors (10448384694).

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

9955450506 is a wasteful number, since it uses less digits than its factorization.

9955450506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14534.

The product of its (nonzero) digits is 1215000, while the sum is 48.

The square root of 9955450506 is about 99777.0038936828. The cubic root of 9955450506 is about 2151.2306281566.

The spelling of 9955450506 in words is "nine billion, nine hundred fifty-five million, four hundred fifty thousand, five hundred six".