51862079 has 4 divisors (see below), whose sum is σ = 54116976. Its totient is φ = 49607184.

The previous prime is 51862067. The next prime is 51862127. The reversal of 51862079 is 97026815.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97026815 = 5 ⋅19405363.

It is a cyclic number.

It is not a de Polignac number, because 51862079 - 2¹² = 51857983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51862879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127414 + ... + 1127459.

It is an arithmetic number, because the mean of its divisors is an integer number (13529244).

Almost surely, 2^51862079 is an apocalyptic number.

51862079 is a deficient number, since it is larger than the sum of its proper divisors (2254897).

51862079 is a wasteful number, since it uses less digits than its factorization.

51862079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254896.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 51862079 is about 7201.5331006668. The cubic root of 51862079 is about 372.9208288388.

The spelling of 51862079 in words is "fifty-one million, eight hundred sixty-two thousand, seventy-nine".