55861050101 has 2 divisors, whose sum is σ = 55861050102. Its totient is φ = 55861050100.

The previous prime is 55861050071. The next prime is 55861050131. The reversal of 55861050101 is 10105016855.

It is a balanced prime because it is at equal distance from previous prime (55861050071) and next prime (55861050131).

It can be written as a sum of positive squares in only one way, i.e., 49405731076 + 6455319025 = 222274^2 + 80345^2 .

It is a cyclic number.

It is not a de Polignac number, because 55861050101 - 2¹⁰ = 55861049077 is a prime.

It is a super-2 number, since 2×55861050101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55861050131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27930525050 + 27930525051.

It is an arithmetic number, because the mean of its divisors is an integer number (27930525051).

Almost surely, 2^55861050101 is an apocalyptic number.

It is an amenable number.

55861050101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55861050101 is an equidigital number, since it uses as much as digits as its factorization.

55861050101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 32.

Adding to 55861050101 its reverse (10105016855), we get a palindrome (65966066956).

The spelling of 55861050101 in words is "fifty-five billion, eight hundred sixty-one million, fifty thousand, one hundred one".