51662010 has 16 divisors (see below), whose sum is σ = 123988896. Its totient is φ = 13776528.

The previous prime is 51661999. The next prime is 51662011. The reversal of 51662010 is 1026615.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51662011) 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, 861004 + ... + 861063.

It is an arithmetic number, because the mean of its divisors is an integer number (7749306).

Almost surely, 2^51662010 is an apocalyptic number.

51662010 is an abundant number, since it is smaller than the sum of its proper divisors (72326886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51662010 is a wasteful number, since it uses less digits than its factorization.

51662010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722077.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 51662010 is about 7187.6289553649. The cubic root of 51662010 is about 372.4406704001.

Adding to 51662010 its reverse (1026615), we get a palindrome (52688625).

It can be divided in two parts, 516 and 62010, that added together give a palindrome (62526).

The spelling of 51662010 in words is "fifty-one million, six hundred sixty-two thousand, ten".