540054555657 has 16 divisors (see below), whose sum is σ = 721039592832. Its totient is φ = 359553237120.

The previous prime is 540054555613. The next prime is 540054555661. The reversal of 540054555657 is 756555450045.

It is not a de Polignac number, because 540054555657 - 2³¹ = 537907072009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540054555857) 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, 7709293 + ... + 7779029.

It is an arithmetic number, because the mean of its divisors is an integer number (45064974552).

Almost surely, 2^540054555657 is an apocalyptic number.

It is an amenable number.

540054555657 is a deficient number, since it is larger than the sum of its proper divisors (180985037175).

540054555657 is a wasteful number, since it uses less digits than its factorization.

540054555657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73168.

The product of its (nonzero) digits is 10500000, while the sum is 51.

The spelling of 540054555657 in words is "five hundred forty billion, fifty-four million, five hundred fifty-five thousand, six hundred fifty-seven".