57132149 has 2 divisors, whose sum is σ = 57132150. Its totient is φ = 57132148.

The previous prime is 57132139. The next prime is 57132157. The reversal of 57132149 is 94123175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 12909649 = 6650^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 57132149 - 2⁴ = 57132133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57132109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28566074 + 28566075.

It is an arithmetic number, because the mean of its divisors is an integer number (28566075).

Almost surely, 2^57132149 is an apocalyptic number.

It is an amenable number.

57132149 is a deficient number, since it is larger than the sum of its proper divisors (1).

57132149 is an equidigital number, since it uses as much as digits as its factorization.

57132149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 57132149 is about 7558.5811499249. The cubic root of 57132149 is about 385.1472962000.

The spelling of 57132149 in words is "fifty-seven million, one hundred thirty-two thousand, one hundred forty-nine".