57055089 has 16 divisors (see below), whose sum is σ = 93629312. Its totient is φ = 30094848.

The previous prime is 57055057. The next prime is 57055129. The reversal of 57055089 is 98055075.

It is not a de Polignac number, because 57055089 - 2⁵ = 57055057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57055589) 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, 104224 + ... + 104769.

It is an arithmetic number, because the mean of its divisors is an integer number (5851832).

Almost surely, 2^57055089 is an apocalyptic number.

It is an amenable number.

57055089 is a deficient number, since it is larger than the sum of its proper divisors (36574223).

57055089 is a wasteful number, since it uses less digits than its factorization.

57055089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209016.

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 57055089 is about 7553.4819123369. The cubic root of 57055089 is about 384.9740557094.

The spelling of 57055089 in words is "fifty-seven million, fifty-five thousand, eighty-nine".