51054042 has 16 divisors (see below), whose sum is σ = 109962720. Its totient is φ = 15708912.

The previous prime is 51054023. The next prime is 51054053. The reversal of 51054042 is 24045015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327192 + ... + 327347.

It is an arithmetic number, because the mean of its divisors is an integer number (6872670).

Almost surely, 2^51054042 is an apocalyptic number.

51054042 is an abundant number, since it is smaller than the sum of its proper divisors (58908678).

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

51054042 is a wasteful number, since it uses less digits than its factorization.

51054042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654557.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 51054042 is about 7145.2111235428. The cubic root of 51054042 is about 370.9739182436.

Adding to 51054042 its reverse (24045015), we get a palindrome (75099057).

The spelling of 51054042 in words is "fifty-one million, fifty-four thousand, forty-two".