53815730744147 has 4 divisors (see below), whose sum is σ = 53815778845896. Its totient is φ = 53815682642400.

The previous prime is 53815730744123. The next prime is 53815730744161. The reversal of 53815730744147 is 74144703751835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53815730744147 - 2¹⁴ = 53815730727763 is a prime.

It is a super-2 number, since 2×53815730744147² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53815733744147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22331729 + ... + 24623922.

It is an arithmetic number, because the mean of its divisors is an integer number (13453944711474).

Almost surely, 2^{53815730744147} is an apocalyptic number.

53815730744147 is a deficient number, since it is larger than the sum of its proper divisors (48101749).

53815730744147 is a wasteful number, since it uses less digits than its factorization.

53815730744147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48101748.

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 53815730744147 in words is "fifty-three trillion, eight hundred fifteen billion, seven hundred thirty million, seven hundred forty-four thousand, one hundred forty-seven".