551105550501 has 16 divisors (see below), whose sum is σ = 802973703168. Its totient is φ = 333434351600.

The previous prime is 551105550439. The next prime is 551105550509. The reversal of 551105550501 is 105055501155.

It is a cyclic number.

It is not a de Polignac number, because 551105550501 - 2¹¹ = 551105548453 is a prime.

It is a super-2 number, since 2×551105550501² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551105550509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14205645 + ... + 14244386.

It is an arithmetic number, because the mean of its divisors is an integer number (50185856448).

Almost surely, 2^551105550501 is an apocalyptic number.

It is an amenable number.

551105550501 is a deficient number, since it is larger than the sum of its proper divisors (251868152667).

551105550501 is a wasteful number, since it uses less digits than its factorization.

551105550501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28450632.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 551105550501 in words is "five hundred fifty-one billion, one hundred five million, five hundred fifty thousand, five hundred one".