51724341 has 6 divisors (see below), whose sum is σ = 74712950. Its totient is φ = 34482888.

The previous prime is 51724331. The next prime is 51724349. The reversal of 51724341 is 14342715.

It can be written as a sum of positive squares in only one way, i.e., 31877316 + 19847025 = 5646^2 + 4455^2 .

It is not a de Polignac number, because 51724341 - 2¹³ = 51716149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51724349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2873566 + ... + 2873583.

Almost surely, 2^51724341 is an apocalyptic number.

It is an amenable number.

51724341 is a deficient number, since it is larger than the sum of its proper divisors (22988609).

51724341 is a wasteful number, since it uses less digits than its factorization.

51724341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747155 (or 5747152 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 51724341 is about 7191.9636400638. The cubic root of 51724341 is about 372.5903953103.

The spelling of 51724341 in words is "fifty-one million, seven hundred twenty-four thousand, three hundred forty-one".