548787457 has 4 divisors (see below), whose sum is σ = 561550000. Its totient is φ = 536024916.

The previous prime is 548787443. The next prime is 548787461. The reversal of 548787457 is 754787845.

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.

It is a cyclic number.

It is not a de Polignac number, because 548787457 - 2¹⁹ = 548263169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 548787398 and 548787407.

It is not an unprimeable number, because it can be changed into a prime (548787487) 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, 6381207 + ... + 6381292.

It is an arithmetic number, because the mean of its divisors is an integer number (140387500).

Almost surely, 2^548787457 is an apocalyptic number.

It is an amenable number.

548787457 is a deficient number, since it is larger than the sum of its proper divisors (12762543).

548787457 is a wasteful number, since it uses less digits than its factorization.

548787457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12762542.

The product of its digits is 8780800, while the sum is 55.

The square root of 548787457 is about 23426.2130315593. The cubic root of 548787457 is about 818.7187292449.

The spelling of 548787457 in words is "five hundred forty-eight million, seven hundred eighty-seven thousand, four hundred fifty-seven".