51662203003 has 8 divisors (see below), whose sum is σ = 52683509088. Its totient is φ = 50649372864.

The previous prime is 51662202973. The next prime is 51662203013. The reversal of 51662203003 is 30030226615.

51662203003 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51662203003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51662203013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106676 + ... + 2131057.

It is an arithmetic number, because the mean of its divisors is an integer number (6585438636).

Almost surely, 2^51662203003 is an apocalyptic number.

51662203003 is a deficient number, since it is larger than the sum of its proper divisors (1021306085).

51662203003 is a wasteful number, since it uses less digits than its factorization.

51662203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237973.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 51662203003 its reverse (30030226615), we get a palindrome (81692429618).

The spelling of 51662203003 in words is "fifty-one billion, six hundred sixty-two million, two hundred three thousand, three".