51056061 has 8 divisors (see below), whose sum is σ = 77799744. Its totient is φ = 29174880.

The previous prime is 51056051. The next prime is 51056069. The reversal of 51056061 is 16065015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51056061 - 2¹¹ = 51054013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51056069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215600 + ... + 1215641.

It is an arithmetic number, because the mean of its divisors is an integer number (9724968).

Almost surely, 2^51056061 is an apocalyptic number.

It is an amenable number.

51056061 is a deficient number, since it is larger than the sum of its proper divisors (26743683).

51056061 is a wasteful number, since it uses less digits than its factorization.

51056061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431251.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51056061 is about 7145.3524055850. The cubic root of 51056061 is about 370.9788083981.

The spelling of 51056061 in words is "fifty-one million, fifty-six thousand, sixty-one".