57011033 has 8 divisors (see below), whose sum is σ = 58941960. Its totient is φ = 55105920.

The previous prime is 57011021. The next prime is 57011057. The reversal of 57011033 is 33011075.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3545689 + 53465344 = 1883^2 + 7312^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57011033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57010996 and 57011014.

It is not an unprimeable number, because it can be changed into a prime (57011063) 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, 1910 + ... + 10847.

It is an arithmetic number, because the mean of its divisors is an integer number (7367745).

Almost surely, 2^57011033 is an apocalyptic number.

It is an amenable number.

57011033 is a deficient number, since it is larger than the sum of its proper divisors (1930927).

57011033 is a wasteful number, since it uses less digits than its factorization.

57011033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 57011033 is about 7550.5650781912. The cubic root of 57011033 is about 384.8749422351.

The spelling of 57011033 in words is "fifty-seven million, eleven thousand, thirty-three".