53028761947 has 16 divisors (see below), whose sum is σ = 61798643712. Its totient is φ = 44566207200.

The previous prime is 53028761939. The next prime is 53028761969. The reversal of 53028761947 is 74916782035.

It is a cyclic number.

It is not a de Polignac number, because 53028761947 - 2³ = 53028761939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53028761894 and 53028761903.

It is not an unprimeable number, because it can be changed into a prime (53028761977) 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, 291283 + ... + 436924.

It is an arithmetic number, because the mean of its divisors is an integer number (3862415232).

It is a 2-persistent number, because it is pandigital, and so is 2⋅53028761947 = 106057523894, but 3⋅53028761947 = 159086285841 is not.

Almost surely, 2^53028761947 is an apocalyptic number.

53028761947 is the 145642-nd heptagonal number.

53028761947 is a deficient number, since it is larger than the sum of its proper divisors (8769881765).

53028761947 is a wasteful number, since it uses less digits than its factorization.

53028761947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728418.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 53028761947 in words is "fifty-three billion, twenty-eight million, seven hundred sixty-one thousand, nine hundred forty-seven".