48578457 has 16 divisors (see below), whose sum is σ = 67182080. Its totient is φ = 31190400.

The previous prime is 48578449. The next prime is 48578471. The reversal of 48578457 is 75487584.

It is not a de Polignac number, because 48578457 - 2³ = 48578449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48578407) 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, 20157 + ... + 22437.

It is an arithmetic number, because the mean of its divisors is an integer number (4198880).

Almost surely, 2^48578457 is an apocalyptic number.

It is an amenable number.

48578457 is a deficient number, since it is larger than the sum of its proper divisors (18603623).

48578457 is a wasteful number, since it uses less digits than its factorization.

48578457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

The product of its digits is 1254400, while the sum is 48.

The square root of 48578457 is about 6969.8247467207. The cubic root of 48578457 is about 364.8781904164.

The spelling of 48578457 in words is "forty-eight million, five hundred seventy-eight thousand, four hundred fifty-seven".