51254102 has 16 divisors (see below), whose sum is σ = 79162512. Its totient is φ = 24870240.

The previous prime is 51254101. The next prime is 51254113. The reversal of 51254102 is 20145215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51254101) 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, 41648 + ... + 42860.

It is an arithmetic number, because the mean of its divisors is an integer number (4947657).

Almost surely, 2^51254102 is an apocalyptic number.

51254102 is a deficient number, since it is larger than the sum of its proper divisors (27908410).

51254102 is a wasteful number, since it uses less digits than its factorization.

51254102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 51254102 is about 7159.1970220130. The cubic root of 51254102 is about 371.4578519182.

Adding to 51254102 its reverse (20145215), we get a palindrome (71399317).

The spelling of 51254102 in words is "fifty-one million, two hundred fifty-four thousand, one hundred two".