51346004 has 12 divisors (see below), whose sum is σ = 89906964. Its totient is φ = 25658304.

The previous prime is 51346003. The next prime is 51346019. The reversal of 51346004 is 40064315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45832900 + 5513104 = 6770^2 + 2348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51346003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9182 + ... + 13674.

It is an arithmetic number, because the mean of its divisors is an integer number (7492247).

Almost surely, 2^51346004 is an apocalyptic number.

It is an amenable number.

51346004 is a deficient number, since it is larger than the sum of its proper divisors (38560960).

51346004 is a wasteful number, since it uses less digits than its factorization.

51346004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7352 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 51346004 is about 7165.6126046557. The cubic root of 51346004 is about 371.6797355318.

The spelling of 51346004 in words is "fifty-one million, three hundred forty-six thousand, four".