55005010010501 has 6 divisors (see below), whose sum is σ = 55132928136006. Its totient is φ = 54877387992200.

The previous prime is 55005010010497. The next prime is 55005010010537. The reversal of 55005010010501 is 10501001050055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44750092581601 + 10254917428900 = 6689551^2 + 3202330^2 .

It is not a de Polignac number, because 55005010010501 - 2² = 55005010010497 is a prime.

It is a super-2 number, since 2×55005010010501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005010010101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147867410 + ... + 148238931.

It is an arithmetic number, because the mean of its divisors is an integer number (9188821356001).

Almost surely, 2^{55005010010501} is an apocalyptic number.

It is an amenable number.

55005010010501 is a deficient number, since it is larger than the sum of its proper divisors (127918125505).

55005010010501 is an frugal number, since it uses more digits than its factorization.

55005010010501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296107203 (or 296106772 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 55005010010501 its reverse (10501001050055), we get a palindrome (65506011060556).

The spelling of 55005010010501 in words is "fifty-five trillion, five billion, ten million, ten thousand, five hundred one".