51020410 has 32 divisors (see below), whose sum is σ = 107798400. Its totient is φ = 17019072.

The previous prime is 51020399. The next prime is 51020413. The reversal of 51020410 is 1402015.

It is not an unprimeable number, because it can be changed into a prime (51020413) 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 15 ways as a sum of consecutive naturals, for example, 7260 + ... + 12439.

It is an arithmetic number, because the mean of its divisors is an integer number (3368700).

Almost surely, 2^51020410 is an apocalyptic number.

51020410 is an abundant number, since it is smaller than the sum of its proper divisors (56777990).

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

51020410 is a wasteful number, since it uses less digits than its factorization.

51020410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 51020410 is about 7142.8572714286. The cubic root of 51020410 is about 370.8924402972.

Adding to 51020410 its reverse (1402015), we get a palindrome (52422425).

The spelling of 51020410 in words is "fifty-one million, twenty thousand, four hundred ten".