55000610121 has 8 divisors (see below), whose sum is σ = 73343984704. Its totient is φ = 36662154480.

The previous prime is 55000610111. The next prime is 55000610123. The reversal of 55000610121 is 12101600055.

55000610121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55000610121 - 2²⁶ = 54933501257 is a prime.

It is a super-2 number, since 2×55000610121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55000610123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203565 + ... + 1248426.

It is an arithmetic number, because the mean of its divisors is an integer number (9167998088).

Almost surely, 2^55000610121 is an apocalyptic number.

It is an amenable number.

55000610121 is a deficient number, since it is larger than the sum of its proper divisors (18343374583).

55000610121 is a wasteful number, since it uses less digits than its factorization.

55000610121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459471.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 55000610121 in words is "fifty-five billion, six hundred ten thousand, one hundred twenty-one".