53775257030661 has 32 divisors (see below), whose sum is σ = 76841561069568. Its totient is φ = 33363928952640.

The previous prime is 53775257030641. The next prime is 53775257030683. The reversal of 53775257030661 is 16603075257735.

It is not a de Polignac number, because 53775257030661 - 2⁹ = 53775257030149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53775257030611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128234650 + ... + 128653316.

It is an arithmetic number, because the mean of its divisors is an integer number (2401298783424).

Almost surely, 2^{53775257030661} is an apocalyptic number.

It is an amenable number.

53775257030661 is a deficient number, since it is larger than the sum of its proper divisors (23066304038907).

53775257030661 is a wasteful number, since it uses less digits than its factorization.

53775257030661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469041.

The product of its (nonzero) digits is 27783000, while the sum is 57.

The spelling of 53775257030661 in words is "fifty-three trillion, seven hundred seventy-five billion, two hundred fifty-seven million, thirty thousand, six hundred sixty-one".