51471042 has 16 divisors (see below), whose sum is σ = 117648192. Its totient is φ = 14706000.

The previous prime is 51471041. The next prime is 51471047. The reversal of 51471042 is 24017415.

It is not an unprimeable number, because it can be changed into a prime (51471041) 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, 612709 + ... + 612792.

It is an arithmetic number, because the mean of its divisors is an integer number (7353012).

Almost surely, 2^51471042 is an apocalyptic number.

51471042 is an abundant number, since it is smaller than the sum of its proper divisors (66177150).

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

51471042 is a wasteful number, since it uses less digits than its factorization.

51471042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225513.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 51471042 is about 7174.3321640415. The cubic root of 51471042 is about 371.9811962978.

Adding to 51471042 its reverse (24017415), we get a palindrome (75488457).

The spelling of 51471042 in words is "fifty-one million, four hundred seventy-one thousand, forty-two".