51751054 has 4 divisors (see below), whose sum is σ = 77626584. Its totient is φ = 25875526.

The previous prime is 51751039. The next prime is 51751067. The reversal of 51751054 is 45015715.

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

It is a super-2 number, since 2×51751054² = 5356343180221832, which contains 22 as substring.

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, 12937762 + ... + 12937765.

It is an arithmetic number, because the mean of its divisors is an integer number (19406646).

Almost surely, 2^51751054 is an apocalyptic number.

51751054 is a deficient number, since it is larger than the sum of its proper divisors (25875530).

51751054 is a wasteful number, since it uses less digits than its factorization.

51751054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25875529.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 51751054 is about 7193.8205426602. The cubic root of 51751054 is about 372.6545256219.

Adding to 51751054 its reverse (45015715), we get a palindrome (96766769).

The spelling of 51751054 in words is "fifty-one million, seven hundred fifty-one thousand, fifty-four".