51606652 has 6 divisors (see below), whose sum is σ = 90311648. Its totient is φ = 25803324.

The previous prime is 51606637. The next prime is 51606691. The reversal of 51606652 is 25660615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450828 + ... + 6450835.

Almost surely, 2^51606652 is an apocalyptic number.

It is an amenable number.

51606652 is a deficient number, since it is larger than the sum of its proper divisors (38704996).

51606652 is a wasteful number, since it uses less digits than its factorization.

51606652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901667 (or 12901665 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 51606652 is about 7183.7770009933. Note that the first 3 decimals coincide. The cubic root of 51606652 is about 372.3075942821.

The spelling of 51606652 in words is "fifty-one million, six hundred six thousand, six hundred fifty-two".