51177242 has 16 divisors (see below), whose sum is σ = 81482112. Its totient is φ = 24024000.

The previous prime is 51177233. The next prime is 51177271. The reversal of 51177242 is 24277115.

51177242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51177242² = 5238220197453128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14117 + ... + 17367.

It is an arithmetic number, because the mean of its divisors is an integer number (5092632).

Almost surely, 2^51177242 is an apocalyptic number.

51177242 is a deficient number, since it is larger than the sum of its proper divisors (30304870).

51177242 is a wasteful number, since it uses less digits than its factorization.

51177242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733.

The product of its digits is 3920, while the sum is 29.

The square root of 51177242 is about 7153.8270876504. The cubic root of 51177242 is about 371.2720812028.

The spelling of 51177242 in words is "fifty-one million, one hundred seventy-seven thousand, two hundred forty-two".