45545577554554 has 48 divisors (see below), whose sum is σ = 91260155437920. Its totient is φ = 16811081249760.

The previous prime is 45545577554461. The next prime is 45545577554597.

It is a happy number.

45545577554554 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×45545577554554² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1111823517 + ... + 1111864480.

It is an arithmetic number, because the mean of its divisors is an integer number (1901253238290).

Almost surely, 2^{45545577554554} is an apocalyptic number.

45545577554554 is an abundant number, since it is smaller than the sum of its proper divisors (45714577883366).

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

45545577554554 is a wasteful number, since it uses less digits than its factorization.

45545577554554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223688043 (or 2223688036 counting only the distinct ones).

The product of its digits is 4900000000, while the sum is 70.

The spelling of 45545577554554 in words is "forty-five trillion, five hundred forty-five billion, five hundred seventy-seven million, five hundred fifty-four thousand, five hundred fifty-four".