51401010 has 32 divisors (see below), whose sum is σ = 123786432. Its totient is φ = 13659840.

The previous prime is 51400991. The next prime is 51401027. The reversal of 51401010 is 1010415.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6420 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (3868326).

Almost surely, 2^51401010 is an apocalyptic number.

51401010 is an abundant number, since it is smaller than the sum of its proper divisors (72385422).

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

51401010 is a wasteful number, since it uses less digits than its factorization.

51401010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 51401010 is about 7169.4497696825. The cubic root of 51401010 is about 371.8124126480.

Adding to 51401010 its reverse (1010415), we get a palindrome (52411425).

The spelling of 51401010 in words is "fifty-one million, four hundred one thousand, ten".