57473442 has 128 divisors (see below), whose sum is σ = 150528000. Its totient is φ = 16096320.

The previous prime is 57473417. The next prime is 57473443. The reversal of 57473442 is 24437475.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57473397 and 57473406.

It is not an unprimeable number, because it can be changed into a prime (57473443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 413409 + ... + 413547.

It is an arithmetic number, because the mean of its divisors is an integer number (1176000).

Almost surely, 2^57473442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57473442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75264000).

57473442 is an abundant number, since it is smaller than the sum of its proper divisors (93054558).

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

57473442 is a wasteful number, since it uses less digits than its factorization.

57473442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 57473442 is about 7581.1240591353. The cubic root of 57473442 is about 385.9126982712.

The spelling of 57473442 in words is "fifty-seven million, four hundred seventy-three thousand, four hundred forty-two".