51214055402 has 8 divisors (see below), whose sum is σ = 76822643712. Its totient is φ = 25606507500.

The previous prime is 51214055401. The next prime is 51214055411. The reversal of 51214055402 is 20455041215.

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

It is not an unprimeable number, because it can be changed into a prime (51214055401) 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, 122474 + ... + 342677.

It is an arithmetic number, because the mean of its divisors is an integer number (9602830464).

Almost surely, 2^51214055402 is an apocalyptic number.

51214055402 is a deficient number, since it is larger than the sum of its proper divisors (25608588310).

51214055402 is a wasteful number, since it uses less digits than its factorization.

51214055402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520204.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 51214055402 its reverse (20455041215), we get a palindrome (71669096617).

The spelling of 51214055402 in words is "fifty-one billion, two hundred fourteen million, fifty-five thousand, four hundred two".