51667344 has 45 divisors (see below), whose sum is σ = 144838603. Its totient is φ = 17193696.

The previous prime is 51667333. The next prime is 51667351. The reversal of 51667344 is 44376615.

It is a happy number.

The square root of 51667344 is 7188.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51667299 and 51667308.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85957 + ... + 86555.

Almost surely, 2^51667344 is an apocalyptic number.

51667344 is the 7188-th square number.

It is an amenable number.

51667344 is an abundant number, since it is smaller than the sum of its proper divisors (93171259).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51667344 is an equidigital number, since it uses as much as digits as its factorization.

51667344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 604 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The cubic root of 51667344 is about 372.4534878790.

Multiplying 51667344 by its sum of digits (36), we get a square (1860024384 = 43128²).

51667344 divided by its sum of digits (36) gives a square (1435204 = 1198²).

The spelling of 51667344 in words is "fifty-one million, six hundred sixty-seven thousand, three hundred forty-four".