51023374 has 4 divisors (see below), whose sum is σ = 76535064. Its totient is φ = 25511686.

The previous prime is 51023363. The next prime is 51023429. The reversal of 51023374 is 47332015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47332015 = 5 ⋅9466403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755842 + ... + 12755845.

It is an arithmetic number, because the mean of its divisors is an integer number (19133766).

Almost surely, 2^51023374 is an apocalyptic number.

51023374 is a deficient number, since it is larger than the sum of its proper divisors (25511690).

51023374 is a wasteful number, since it uses less digits than its factorization.

51023374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25511689.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 51023374 is about 7143.0647484116. The cubic root of 51023374 is about 370.8996224158.

Adding to 51023374 its reverse (47332015), we get a palindrome (98355389).

The spelling of 51023374 in words is "fifty-one million, twenty-three thousand, three hundred seventy-four".