505454457 has 8 divisors (see below), whose sum is σ = 678788320. Its totient is φ = 334545120.

The previous prime is 505454441. The next prime is 505454483. The reversal of 505454457 is 754454505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505454457 - 2⁴ = 505454441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505452457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605644 + ... + 606477.

It is an arithmetic number, because the mean of its divisors is an integer number (84848540).

Almost surely, 2^505454457 is an apocalyptic number.

It is an amenable number.

505454457 is a deficient number, since it is larger than the sum of its proper divisors (173333863).

505454457 is a wasteful number, since it uses less digits than its factorization.

505454457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212263.

The product of its (nonzero) digits is 280000, while the sum is 39.

The square root of 505454457 is about 22482.3143159240. The cubic root of 505454457 is about 796.5762311829.

The spelling of 505454457 in words is "five hundred five million, four hundred fifty-four thousand, four hundred fifty-seven".