51152842 has 8 divisors (see below), whose sum is σ = 82631556. Its totient is φ = 23608992.

The previous prime is 51152837. The next prime is 51152867. The reversal of 51152842 is 24825115.

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 4626801 = 6821^2 + 2151^2 .

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

It is a super-2 number, since 2×51152842² = 5233226489353928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51152842.

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, 983683 + ... + 983734.

Almost surely, 2^51152842 is an apocalyptic number.

51152842 is a deficient number, since it is larger than the sum of its proper divisors (31478714).

51152842 is a wasteful number, since it uses less digits than its factorization.

51152842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967432.

The product of its digits is 3200, while the sum is 28.

The square root of 51152842 is about 7152.1215034422. The cubic root of 51152842 is about 371.2130674790.

Adding to 51152842 its reverse (24825115), we get a palindrome (75977957).

The spelling of 51152842 in words is "fifty-one million, one hundred fifty-two thousand, eight hundred forty-two".