51862427 has 8 divisors (see below), whose sum is σ = 55054800. Its totient is φ = 48685824.

The previous prime is 51862423. The next prime is 51862439. The reversal of 51862427 is 72426815.

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

It is not a de Polignac number, because 51862427 - 2² = 51862423 is a prime.

It is a super-3 number, since 3×51862427³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51862423) 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, 3224 + ... + 10682.

It is an arithmetic number, because the mean of its divisors is an integer number (6881850).

Almost surely, 2^51862427 is an apocalyptic number.

51862427 is a deficient number, since it is larger than the sum of its proper divisors (3192373).

51862427 is a wasteful number, since it uses less digits than its factorization.

51862427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its digits is 26880, while the sum is 35.

The square root of 51862427 is about 7201.5572621482. The cubic root of 51862427 is about 372.9216629495.

The spelling of 51862427 in words is "fifty-one million, eight hundred sixty-two thousand, four hundred twenty-seven".