55010061001 has 4 divisors (see below), whose sum is σ = 62868641152. Its totient is φ = 47151480852.

The previous prime is 55010060999. The next prime is 55010061013. The reversal of 55010061001 is 10016001055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55010061001 - 2¹ = 55010060999 is a prime.

It is a super-2 number, since 2×55010061001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55010061001.

It is not an unprimeable number, because it can be changed into a prime (55010061901) 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, 3929290065 + ... + 3929290078.

It is an arithmetic number, because the mean of its divisors is an integer number (15717160288).

Almost surely, 2^55010061001 is an apocalyptic number.

It is an amenable number.

55010061001 is a deficient number, since it is larger than the sum of its proper divisors (7858580151).

55010061001 is an equidigital number, since it uses as much as digits as its factorization.

55010061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858580150.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 55010061001 its reverse (10016001055), we get a palindrome (65026062056).

The spelling of 55010061001 in words is "fifty-five billion, ten million, sixty-one thousand, one".