54526090661 has 4 divisors (see below), whose sum is σ = 62315532192. Its totient is φ = 46736649132.

The previous prime is 54526090637. The next prime is 54526090673. The reversal of 54526090661 is 16609062545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54526090661 is a prime.

It is a super-3 number, since 3×54526090661³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54526096661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3894720755 + ... + 3894720768.

It is an arithmetic number, because the mean of its divisors is an integer number (15578883048).

Almost surely, 2^54526090661 is an apocalyptic number.

It is an amenable number.

54526090661 is a deficient number, since it is larger than the sum of its proper divisors (7789441531).

54526090661 is an equidigital number, since it uses as much as digits as its factorization.

54526090661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789441530.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 54526090661 in words is "fifty-four billion, five hundred twenty-six million, ninety thousand, six hundred sixty-one".