51042232 has 8 divisors (see below), whose sum is σ = 95704200. Its totient is φ = 25521112.

The previous prime is 51042223. The next prime is 51042241. The reversal of 51042232 is 23224015.

It is an interprime number because it is at equal distance from previous prime (51042223) and next prime (51042241).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190132 + ... + 3190147.

It is an arithmetic number, because the mean of its divisors is an integer number (11963025).

Almost surely, 2^51042232 is an apocalyptic number.

It is an amenable number.

51042232 is a deficient number, since it is larger than the sum of its proper divisors (44661968).

51042232 is a wasteful number, since it uses less digits than its factorization.

51042232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380285 (or 6380281 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51042232 is about 7144.3846480995. The cubic root of 51042232 is about 370.9453110418.

Adding to 51042232 its reverse (23224015), we get a palindrome (74266247).

The spelling of 51042232 in words is "fifty-one million, forty-two thousand, two hundred thirty-two".