545505100555 has 16 divisors (see below), whose sum is σ = 656277050880. Its totient is φ = 435291198048.

The previous prime is 545505100549. The next prime is 545505100579. The reversal of 545505100555 is 555001505545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 545505100555 - 2¹¹ = 545505098507 is a prime.

It is a super-2 number, since 2×545505100555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4073656 + ... + 4205434.

It is an arithmetic number, because the mean of its divisors is an integer number (41017315680).

Almost surely, 2^545505100555 is an apocalyptic number.

545505100555 is a deficient number, since it is larger than the sum of its proper divisors (110771950325).

545505100555 is a wasteful number, since it uses less digits than its factorization.

545505100555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133890.

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 545505100555 in words is "five hundred forty-five billion, five hundred five million, one hundred thousand, five hundred fifty-five".