51486037 has 4 divisors (see below), whose sum is σ = 52741836. Its totient is φ = 50230240.

The previous prime is 51485977. The next prime is 51486053. The reversal of 51486037 is 73068415.

51486037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1274641 + 50211396 = 1129^2 + 7086^2 .

It is a cyclic number.

It is not a de Polignac number, because 51486037 - 2⁷ = 51485909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51485993 and 51486011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51486137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627838 + ... + 627919.

It is an arithmetic number, because the mean of its divisors is an integer number (13185459).

Almost surely, 2^51486037 is an apocalyptic number.

It is an amenable number.

51486037 is a deficient number, since it is larger than the sum of its proper divisors (1255799).

51486037 is a wasteful number, since it uses less digits than its factorization.

51486037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255798.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 51486037 is about 7175.3771329457. The cubic root of 51486037 is about 372.0173157431.

The spelling of 51486037 in words is "fifty-one million, four hundred eighty-six thousand, thirty-seven".