57878748 has 36 divisors (see below), whose sum is σ = 146535480. Its totient is φ = 19262496.

The previous prime is 57878729. The next prime is 57878759. The reversal of 57878748 is 84787875.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 57878694 and 57878703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44686 + ... + 45962.

It is an arithmetic number, because the mean of its divisors is an integer number (4070430).

Almost surely, 2^57878748 is an apocalyptic number.

It is an amenable number.

57878748 is an abundant number, since it is smaller than the sum of its proper divisors (88656732).

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

57878748 is a wasteful number, since it uses less digits than its factorization.

57878748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2541 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 54.

The square root of 57878748 is about 7607.8083572077. The cubic root of 57878748 is about 386.8177336129.

It can be divided in two parts, 5787 and 8748, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 57878748 in words is "fifty-seven million, eight hundred seventy-eight thousand, seven hundred forty-eight".