51868054 has 16 divisors (see below), whose sum is σ = 94147488. Its totient is φ = 20921472.

The previous prime is 51868051. The next prime is 51868057. The reversal of 51868054 is 45086815.

It is an interprime number because it is at equal distance from previous prime (51868051) and next prime (51868057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51868051) 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, 108729 + ... + 109204.

It is an arithmetic number, because the mean of its divisors is an integer number (5884218).

Almost surely, 2^51868054 is an apocalyptic number.

51868054 is a deficient number, since it is larger than the sum of its proper divisors (42279434).

51868054 is a wasteful number, since it uses less digits than its factorization.

51868054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217959.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 51868054 is about 7201.9479309420. The cubic root of 51868054 is about 372.9351496195.

The spelling of 51868054 in words is "fifty-one million, eight hundred sixty-eight thousand, fifty-four".