57030761 has 16 divisors (see below), whose sum is σ = 61395840. Its totient is φ = 52819200.

The previous prime is 57030751. The next prime is 57030763. The reversal of 57030761 is 16703075.

57030761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57030761 - 2⁶ = 57030697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57030763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216716 + ... + 216978.

It is an arithmetic number, because the mean of its divisors is an integer number (3837240).

Almost surely, 2^57030761 is an apocalyptic number.

It is an amenable number.

57030761 is a deficient number, since it is larger than the sum of its proper divisors (4365079).

57030761 is a wasteful number, since it uses less digits than its factorization.

57030761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 57030761 is about 7551.8713574848. The cubic root of 57030761 is about 384.9193309369.

The spelling of 57030761 in words is "fifty-seven million, thirty thousand, seven hundred sixty-one".