51542102 has 8 divisors (see below), whose sum is σ = 77371200. Its totient is φ = 25751704.

The previous prime is 51542053. The next prime is 51542123. The reversal of 51542102 is 20124515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 11832.

It is an arithmetic number, because the mean of its divisors is an integer number (9671400).

Almost surely, 2^51542102 is an apocalyptic number.

51542102 is a deficient number, since it is larger than the sum of its proper divisors (25829098).

51542102 is a wasteful number, since it uses less digits than its factorization.

51542102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19350.

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

The square root of 51542102 is about 7179.2828332641. The cubic root of 51542102 is about 372.1523011093.

Adding to 51542102 its reverse (20124515), we get a palindrome (71666617).

The spelling of 51542102 in words is "fifty-one million, five hundred forty-two thousand, one hundred two".