53953493077 has 12 divisors (see below), whose sum is σ = 59310253548. Its totient is φ = 49043667200.

The previous prime is 53953493021. The next prime is 53953493107. The reversal of 53953493077 is 77039435935.

It can be written as a sum of positive squares in 2 ways, for example, as 14097762756 + 39855730321 = 118734^2 + 199639^2 .

It is not a de Polignac number, because 53953493077 - 2³⁵ = 19593754709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53953493677) 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 11 ways as a sum of consecutive naturals, for example, 1753893 + ... + 1784389.

It is an arithmetic number, because the mean of its divisors is an integer number (4942521129).

Almost surely, 2^53953493077 is an apocalyptic number.

It is an amenable number.

53953493077 is a deficient number, since it is larger than the sum of its proper divisors (5356760471).

53953493077 is a wasteful number, since it uses less digits than its factorization.

53953493077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45140 (or 45129 counting only the distinct ones).

The product of its (nonzero) digits is 10716300, while the sum is 55.

The spelling of 53953493077 in words is "fifty-three billion, nine hundred fifty-three million, four hundred ninety-three thousand, seventy-seven".