51602043 has 8 divisors (see below), whose sum is σ = 72424000. Its totient is φ = 32590728.

The previous prime is 51602029. The next prime is 51602059. The reversal of 51602043 is 34020615.

It is a happy number.

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

It is not a de Polignac number, because 51602043 - 2⁴ = 51602027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51602143) 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, 452593 + ... + 452706.

It is an arithmetic number, because the mean of its divisors is an integer number (9053000).

Almost surely, 2^51602043 is an apocalyptic number.

51602043 is a deficient number, since it is larger than the sum of its proper divisors (20821957).

51602043 is a wasteful number, since it uses less digits than its factorization.

51602043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905321.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51602043 is about 7183.4562015787. The cubic root of 51602043 is about 372.2965103312.

Adding to 51602043 its reverse (34020615), we get a palindrome (85622658).

The spelling of 51602043 in words is "fifty-one million, six hundred two thousand, forty-three".