51978058 has 8 divisors (see below), whose sum is σ = 85055040. Its totient is φ = 23626380.

The previous prime is 51977983. The next prime is 51978127. The reversal of 51978058 is 85087915.

51978058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×51978058³ (a number of 24 digits) contains 333 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 3 ways as a sum of consecutive naturals, for example, 1181298 + ... + 1181341.

It is an arithmetic number, because the mean of its divisors is an integer number (10631880).

Almost surely, 2^51978058 is an apocalyptic number.

51978058 is a deficient number, since it is larger than the sum of its proper divisors (33076982).

51978058 is a wasteful number, since it uses less digits than its factorization.

51978058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362652.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 51978058 is about 7209.5809864374. The cubic root of 51978058 is about 373.1986090908.

The spelling of 51978058 in words is "fifty-one million, nine hundred seventy-eight thousand, fifty-eight".