51662045 has 8 divisors (see below), whose sum is σ = 65257440. Its totient is φ = 39154320.

The previous prime is 51662029. The next prime is 51662057. The reversal of 51662045 is 54026615.

51662045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51662045 - 2⁴ = 51662029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51661999 and 51662017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271811 + ... + 272000.

It is an arithmetic number, because the mean of its divisors is an integer number (8157180).

Almost surely, 2^51662045 is an apocalyptic number.

It is an amenable number.

51662045 is a deficient number, since it is larger than the sum of its proper divisors (13595395).

51662045 is a wasteful number, since it uses less digits than its factorization.

51662045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543835.

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

The square root of 51662045 is about 7187.6313901034. The cubic root of 51662045 is about 372.4407545072.

The spelling of 51662045 in words is "fifty-one million, six hundred sixty-two thousand, forty-five".