57750156 has 72 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 17988096.

The previous prime is 57750151. The next prime is 57750163. The reversal of 57750156 is 65105775.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57750156.

It is not an unprimeable number, because it can be changed into a prime (57750151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120325 + ... + 120803.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^57750156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57750156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77837760).

57750156 is an abundant number, since it is smaller than the sum of its proper divisors (97925364).

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

57750156 is a wasteful number, since it uses less digits than its factorization.

57750156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 57750156 is about 7599.3523408248. The cubic root of 57750156 is about 386.5310506704.

The spelling of 57750156 in words is "fifty-seven million, seven hundred fifty thousand, one hundred fifty-six".