548861547157 has 16 divisors (see below), whose sum is σ = 685968048000. Its totient is φ = 426638615040.

The previous prime is 548861547149. The next prime is 548861547181. The reversal of 548861547157 is 751745168845.

It is not a de Polignac number, because 548861547157 - 2³ = 548861547149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 548861547095 and 548861547104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548861547457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8682532 + ... + 8745517.

It is an arithmetic number, because the mean of its divisors is an integer number (42873003000).

Almost surely, 2^548861547157 is an apocalyptic number.

It is an amenable number.

548861547157 is a deficient number, since it is larger than the sum of its proper divisors (137106500843).

548861547157 is a wasteful number, since it uses less digits than its factorization.

548861547157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17428476.

The product of its digits is 37632000, while the sum is 61.

The spelling of 548861547157 in words is "five hundred forty-eight billion, eight hundred sixty-one million, five hundred forty-seven thousand, one hundred fifty-seven".