53561496747 has 16 divisors (see below), whose sum is σ = 78107927040. Its totient is φ = 32378056800.

The previous prime is 53561496739. The next prime is 53561496797. The reversal of 53561496747 is 74769416535.

It is not a de Polignac number, because 53561496747 - 2³ = 53561496739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53561496797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073379 + ... + 2099052.

It is an arithmetic number, because the mean of its divisors is an integer number (4881745440).

Almost surely, 2^53561496747 is an apocalyptic number.

53561496747 is a deficient number, since it is larger than the sum of its proper divisors (24546430293).

53561496747 is a wasteful number, since it uses less digits than its factorization.

53561496747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172834.

The product of its digits is 19051200, while the sum is 57.

The spelling of 53561496747 in words is "fifty-three billion, five hundred sixty-one million, four hundred ninety-six thousand, seven hundred forty-seven".