51411042 has 24 divisors (see below), whose sum is σ = 111533916. Its totient is φ = 17114976.

The previous prime is 51411037. The next prime is 51411047. The reversal of 51411042 is 24011415.

51411042 is a `hidden beast` number, since 514 + 110 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (51411037) and next prime (51411047).

It can be written as a sum of positive squares in 2 ways, for example, as 46253601 + 5157441 = 6801^2 + 2271^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51411047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18828 + ... + 21384.

Almost surely, 2^51411042 is an apocalyptic number.

51411042 is an abundant number, since it is smaller than the sum of its proper divisors (60122874).

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

51411042 is a wasteful number, since it uses less digits than its factorization.

51411042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51411042 is about 7170.1493708290. The cubic root of 51411042 is about 371.8366001072.

Adding to 51411042 its reverse (24011415), we get a palindrome (75422457).

The spelling of 51411042 in words is "fifty-one million, four hundred eleven thousand, forty-two".