55501010010 has 108 divisors (see below), whose sum is σ = 152413844778. Its totient is φ = 14010579936.

The previous prime is 55501009997. The next prime is 55501010023. The reversal of 55501010010 is 1001010555.

55501010010 is a `hidden beast` number, since 5 + 550 + 1 + 0 + 100 + 10 = 666.

55501010010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55501009997) and next prime (55501010023).

It can be written as a sum of positive squares in only one way, i.e., 49950909009 + 5550101001 = 223497^2 + 74499^2 .

It is a super-2 number, since 2×55501010010² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 42463777 + ... + 42465083.

Almost surely, 2^55501010010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55501010010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76206922389).

55501010010 is an abundant number, since it is smaller than the sum of its proper divisors (96912834768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55501010010 is a wasteful number, since it uses less digits than its factorization.

55501010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 55501010010 its reverse (1001010555), we get a palindrome (56502020565).

The spelling of 55501010010 in words is "fifty-five billion, five hundred one million, ten thousand, ten".