51662252 has 12 divisors (see below), whose sum is σ = 95727240. Its totient is φ = 24311616.

The previous prime is 51662243. The next prime is 51662291. The reversal of 51662252 is 25226615.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379802 + ... + 379937.

It is an arithmetic number, because the mean of its divisors is an integer number (7977270).

Almost surely, 2^51662252 is an apocalyptic number.

It is an amenable number.

51662252 is a deficient number, since it is larger than the sum of its proper divisors (44064988).

51662252 is a wasteful number, since it uses less digits than its factorization.

51662252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759760 (or 759758 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 51662252 is about 7187.6457898258. The cubic root of 51662252 is about 372.4412519396.

Adding to 51662252 its reverse (25226615), we get a palindrome (76888867).

The spelling of 51662252 in words is "fifty-one million, six hundred sixty-two thousand, two hundred fifty-two".