57071554 has 16 divisors (see below), whose sum is σ = 90917280. Its totient is φ = 26792640.

The previous prime is 57071543. The next prime is 57071557. The reversal of 57071554 is 45517075.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57071557) 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, 2352 + ... + 10939.

It is an arithmetic number, because the mean of its divisors is an integer number (5682330).

Almost surely, 2^57071554 is an apocalyptic number.

57071554 is a deficient number, since it is larger than the sum of its proper divisors (33845726).

57071554 is a wasteful number, since it uses less digits than its factorization.

57071554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 57071554 is about 7554.5717284304. The cubic root of 57071554 is about 385.0110841808.

The spelling of 57071554 in words is "fifty-seven million, seventy-one thousand, five hundred fifty-four".