57029946 has 8 divisors (see below), whose sum is σ = 114059904. Its totient is φ = 19009980.

The previous prime is 57029939. The next prime is 57029957. The reversal of 57029946 is 64992075.

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

57029946 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 57029898 and 57029907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4752490 + ... + 4752501.

It is an arithmetic number, because the mean of its divisors is an integer number (14257488).

Almost surely, 2^57029946 is an apocalyptic number.

57029946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57029946 is a wasteful number, since it uses less digits than its factorization.

57029946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504996.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 57029946 is about 7551.8173971568. The cubic root of 57029946 is about 384.9174973606.

It can be divided in two parts, 57029 and 946, that added together give a palindrome (57975).

The spelling of 57029946 in words is "fifty-seven million, twenty-nine thousand, nine hundred forty-six".