55500001055061 has 4 divisors (see below), whose sum is σ = 74000001406752. Its totient is φ = 37000000703372.

The previous prime is 55500001055029. The next prime is 55500001055063. The reversal of 55500001055061 is 16055010000555.

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 a cyclic number.

It is not a de Polignac number, because 55500001055061 - 2⁵ = 55500001055029 is a prime.

It is a super-2 number, since 2×55500001055061² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500001055063) 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, 9250000175841 + ... + 9250000175846.

It is an arithmetic number, because the mean of its divisors is an integer number (18500000351688).

Almost surely, 2^{55500001055061} is an apocalyptic number.

It is an amenable number.

55500001055061 is a deficient number, since it is larger than the sum of its proper divisors (18500000351691).

55500001055061 is a wasteful number, since it uses less digits than its factorization.

55500001055061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500000351690.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55500001055061 in words is "fifty-five trillion, five hundred billion, one million, fifty-five thousand, sixty-one".