51023134 has 4 divisors (see below), whose sum is σ = 76534704. Its totient is φ = 25511566.

The previous prime is 51023129. The next prime is 51023183. The reversal of 51023134 is 43132015.

It is a semiprime because it is the product of two primes.

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, 12755782 + ... + 12755785.

It is an arithmetic number, because the mean of its divisors is an integer number (19133676).

Almost surely, 2^51023134 is an apocalyptic number.

51023134 is a deficient number, since it is larger than the sum of its proper divisors (25511570).

51023134 is a wasteful number, since it uses less digits than its factorization.

51023134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25511569.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51023134 is about 7143.0479488801. The cubic root of 51023134 is about 370.8990408781.

Adding to 51023134 its reverse (43132015), we get a palindrome (94155149).

The spelling of 51023134 in words is "fifty-one million, twenty-three thousand, one hundred thirty-four".