15546794053 has 4 divisors (see below), whose sum is σ = 17767764640. Its totient is φ = 13325823468.

The previous prime is 15546794017. The next prime is 15546794057. The reversal of 15546794053 is 35049764551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35049764551 = 107 ⋅327567893.

It is a cyclic number.

It is not a de Polignac number, because 15546794053 - 2³³ = 6956859461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15546793988 and 15546794006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15546794057) 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, 1110485283 + ... + 1110485296.

It is an arithmetic number, because the mean of its divisors is an integer number (4441941160).

Almost surely, 2^15546794053 is an apocalyptic number.

It is an amenable number.

15546794053 is a deficient number, since it is larger than the sum of its proper divisors (2220970587).

15546794053 is an equidigital number, since it uses as much as digits as its factorization.

15546794053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220970586.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 15546794053 in words is "fifteen billion, five hundred forty-six million, seven hundred ninety-four thousand, fifty-three".