57751542648 has 80 divisors (see below), whose sum is σ = 166129694280. Its totient is φ = 18730222272.

The previous prime is 57751542631. The next prime is 57751542649. The reversal of 57751542648 is 84624515775.

It is a happy number.

57751542648 is a `hidden beast` number, since 5 + 7 + 7 + 51 + 542 + 6 + 48 = 666.

57751542648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 57751542594 and 57751542603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57751542649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1180386 + ... + 1228337.

Almost surely, 2^57751542648 is an apocalyptic number.

It is an amenable number.

57751542648 is an abundant number, since it is smaller than the sum of its proper divisors (108378151632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57751542648 is a wasteful number, since it uses less digits than its factorization.

57751542648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408778 (or 2408765 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The spelling of 57751542648 in words is "fifty-seven billion, seven hundred fifty-one million, five hundred forty-two thousand, six hundred forty-eight".