57720083 has 4 divisors (see below), whose sum is σ = 61115400. Its totient is φ = 54324768.

The previous prime is 57720079. The next prime is 57720097. The reversal of 57720083 is 38002775.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57720083 - 2² = 57720079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57720023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697633 + ... + 1697666.

It is an arithmetic number, because the mean of its divisors is an integer number (15278850).

Almost surely, 2^57720083 is an apocalyptic number.

57720083 is a deficient number, since it is larger than the sum of its proper divisors (3395317).

57720083 is a wasteful number, since it uses less digits than its factorization.

57720083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395316.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 57720083 is about 7597.3734277051. The cubic root of 57720083 is about 386.4639445510.

The spelling of 57720083 in words is "fifty-seven million, seven hundred twenty thousand, eighty-three".