51158046 has 32 divisors (see below), whose sum is σ = 106001280. Its totient is φ = 16448544.

The previous prime is 51158033. The next prime is 51158057. The reversal of 51158046 is 64085115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20220 + ... + 22608.

It is an arithmetic number, because the mean of its divisors is an integer number (3312540).

Almost surely, 2^51158046 is an apocalyptic number.

51158046 is an abundant number, since it is smaller than the sum of its proper divisors (54843234).

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

51158046 is a wasteful number, since it uses less digits than its factorization.

51158046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51158046 is about 7152.4853023267. The cubic root of 51158046 is about 371.2256554228.

The spelling of 51158046 in words is "fifty-one million, one hundred fifty-eight thousand, forty-six".