55005050001 has 16 divisors (see below), whose sum is σ = 82169707968. Its totient is φ = 32435409600.

The previous prime is 55005049963. The next prime is 55005050003. The reversal of 55005050001 is 10005050055.

55005050001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55005050001 - 2¹⁹ = 55004525713 is a prime.

It is a super-2 number, since 2×55005050001² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55005050001.

It is not an unprimeable number, because it can be changed into a prime (55005050003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22523370 + ... + 22525811.

It is an arithmetic number, because the mean of its divisors is an integer number (5135606748).

Almost surely, 2^55005050001 is an apocalyptic number.

It is an amenable number.

55005050001 is a deficient number, since it is larger than the sum of its proper divisors (27164657967).

55005050001 is a wasteful number, since it uses less digits than its factorization.

55005050001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45049232.

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 55005050001 in words is "fifty-five billion, five million, fifty thousand, one".