51005754 has 16 divisors (see below), whose sum is σ = 113346240. Its totient is φ = 17001900.

The previous prime is 51005753. The next prime is 51005771. The reversal of 51005754 is 45750015.

It is a super-2 number, since 2×51005754² = 5203173882217032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51005753) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 472222 + ... + 472329.

It is an arithmetic number, because the mean of its divisors is an integer number (7084140).

Almost surely, 2^51005754 is an apocalyptic number.

51005754 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51005754 is an abundant number, since it is smaller than the sum of its proper divisors (62340486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51005754 is a wasteful number, since it uses less digits than its factorization.

51005754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944562 (or 944556 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 51005754 is about 7141.8312777606. The cubic root of 51005754 is about 370.8569230067.

Adding to 51005754 its reverse (45750015), we get a palindrome (96755769).

The spelling of 51005754 in words is "fifty-one million, five thousand, seven hundred fifty-four".