57576145 has 16 divisors (see below), whose sum is σ = 77806080. Its totient is φ = 40521600.

The previous prime is 57576143. The next prime is 57576151. The reversal of 57576145 is 54167575.

It is a happy number.

It is not a de Polignac number, because 57576145 - 2¹ = 57576143 is a prime.

It is a super-2 number, since 2×57576145² = 6630024946122050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57576098 and 57576107.

It is not an unprimeable number, because it can be changed into a prime (57576143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15180 + ... + 18589.

It is an arithmetic number, because the mean of its divisors is an integer number (4862880).

Almost surely, 2^57576145 is an apocalyptic number.

57576145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57576145 is a deficient number, since it is larger than the sum of its proper divisors (20229935).

57576145 is a wasteful number, since it uses less digits than its factorization.

57576145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33816.

The product of its digits is 147000, while the sum is 40.

The square root of 57576145 is about 7587.8946355363. The cubic root of 57576145 is about 386.1424322461.

The spelling of 57576145 in words is "fifty-seven million, five hundred seventy-six thousand, one hundred forty-five".