57929945 has 8 divisors (see below), whose sum is σ = 69607944. Its totient is φ = 46282624.

The previous prime is 57929941. The next prime is 57929951. The reversal of 57929945 is 54992975.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 56145049 = 1336^2 + 7493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57929945 - 2² = 57929941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57929893 and 57929902.

It is not an unprimeable number, because it can be changed into a prime (57929941) 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, 3284 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (8700993).

Almost surely, 2^57929945 is an apocalyptic number.

It is an amenable number.

57929945 is a deficient number, since it is larger than the sum of its proper divisors (11677999).

57929945 is a wasteful number, since it uses less digits than its factorization.

57929945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339.

The product of its digits is 1020600, while the sum is 50.

The square root of 57929945 is about 7611.1723801265. The cubic root of 57929945 is about 386.9317539966.

The spelling of 57929945 in words is "fifty-seven million, nine hundred twenty-nine thousand, nine hundred forty-five".