51379652 has 6 divisors (see below), whose sum is σ = 89914398. Its totient is φ = 25689824.

The previous prime is 51379651. The next prime is 51379673. The reversal of 51379652 is 25697315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44702596 + 6677056 = 6686^2 + 2584^2 .

It is a super-2 number, since 2×51379652² = 5279737279282208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51379651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422453 + ... + 6422460.

It is an arithmetic number, because the mean of its divisors is an integer number (14985733).

Almost surely, 2^51379652 is an apocalyptic number.

It is an amenable number.

51379652 is a deficient number, since it is larger than the sum of its proper divisors (38534746).

51379652 is a wasteful number, since it uses less digits than its factorization.

51379652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12844917 (or 12844915 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 51379652 is about 7167.9601003354. The cubic root of 51379652 is about 371.7609073718.

The spelling of 51379652 in words is "fifty-one million, three hundred seventy-nine thousand, six hundred fifty-two".