51622996 has 6 divisors (see below), whose sum is σ = 90340250. Its totient is φ = 25811496.

The previous prime is 51622993. The next prime is 51622997. The reversal of 51622996 is 69922615.

It can be written as a sum of positive squares in only one way, i.e., 50268100 + 1354896 = 7090^2 + 1164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51622993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6452871 + ... + 6452878.

Almost surely, 2^51622996 is an apocalyptic number.

It is an amenable number.

51622996 is a deficient number, since it is larger than the sum of its proper divisors (38717254).

51622996 is a wasteful number, since it uses less digits than its factorization.

51622996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12905753 (or 12905751 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 51622996 is about 7184.9144740908. The cubic root of 51622996 is about 372.3468938221.

The spelling of 51622996 in words is "fifty-one million, six hundred twenty-two thousand, nine hundred ninety-six".