51662410 has 16 divisors (see below), whose sum is σ = 93413376. Its totient is φ = 20571408.

The previous prime is 51662381. The next prime is 51662411. The reversal of 51662410 is 1426615.

It is not an unprimeable number, because it can be changed into a prime (51662411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354 + ... + 13813.

It is an arithmetic number, because the mean of its divisors is an integer number (5838336).

Almost surely, 2^51662410 is an apocalyptic number.

51662410 is a deficient number, since it is larger than the sum of its proper divisors (41750966).

51662410 is a wasteful number, since it uses less digits than its factorization.

51662410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23397.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51662410 is about 7187.6567808988. The cubic root of 51662410 is about 372.4416316215.

It can be divided in two parts, 516 and 62410, that added together give a palindrome (62926).

The spelling of 51662410 in words is "fifty-one million, six hundred sixty-two thousand, four hundred ten".