48642457 has 12 divisors (see below), whose sum is σ = 53080300. Its totient is φ = 44534016.

The previous prime is 48642443. The next prime is 48642467. The reversal of 48642457 is 75424684.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17606416 + 31036041 = 4196^2 + 5571^2 .

It is not a de Polignac number, because 48642457 - 2¹⁵ = 48609689 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48642427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8419 + ... + 12967.

Almost surely, 2^48642457 is an apocalyptic number.

It is an amenable number.

48642457 is a deficient number, since it is larger than the sum of its proper divisors (4437843).

48642457 is a wasteful number, since it uses less digits than its factorization.

48642457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4603 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 48642457 is about 6974.4144557088. The cubic root of 48642457 is about 365.0383571374.

The spelling of 48642457 in words is "forty-eight million, six hundred forty-two thousand, four hundred fifty-seven".