10055505551 has 24 divisors (see below), whose sum is σ = 12608853264. Its totient is φ = 7948523520.

The previous prime is 10055505547. The next prime is 10055505571. The reversal of 10055505551 is 15550555001.

It is not a de Polignac number, because 10055505551 - 2² = 10055505547 is a prime.

It is a super-2 number, since 2×10055505551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10055505511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727616 + ... + 741306.

It is an arithmetic number, because the mean of its divisors is an integer number (525368886).

Almost surely, 2^10055505551 is an apocalyptic number.

10055505551 is a deficient number, since it is larger than the sum of its proper divisors (2553347713).

10055505551 is a wasteful number, since it uses less digits than its factorization.

10055505551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871 (or 14864 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

It can be divided in two parts, 1005550 and 5551, that added together give a palindrome (1011101).

The spelling of 10055505551 in words is "ten billion, fifty-five million, five hundred five thousand, five hundred fifty-one".