51774037 has 6 divisors (see below), whose sum is σ = 60226998. Its totient is φ = 44377704.

The previous prime is 51774017. The next prime is 51774071. The reversal of 51774037 is 73047715.

It can be written as a sum of positive squares in only one way, i.e., 39425841 + 12348196 = 6279^2 + 3514^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51774037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51773993 and 51774011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51774007) 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, 528258 + ... + 528355.

It is an arithmetic number, because the mean of its divisors is an integer number (10037833).

Almost surely, 2^51774037 is an apocalyptic number.

It is an amenable number.

51774037 is a deficient number, since it is larger than the sum of its proper divisors (8452961).

51774037 is a wasteful number, since it uses less digits than its factorization.

51774037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056627 (or 1056620 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 51774037 is about 7195.4177780029. The cubic root of 51774037 is about 372.7096836056.

The spelling of 51774037 in words is "fifty-one million, seven hundred seventy-four thousand, thirty-seven".