51262436 has 6 divisors (see below), whose sum is σ = 89709270. Its totient is φ = 25631216.

The previous prime is 51262433. The next prime is 51262439. The reversal of 51262436 is 63426215.

51262436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51262433) and next prime (51262439).

It can be written as a sum of positive squares in only one way, i.e., 31990336 + 19272100 = 5656^2 + 4390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51262399 and 51262408.

It is not an unprimeable number, because it can be changed into a prime (51262433) by changing a digit.

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 as a sum of consecutive naturals, namely, 6407801 + ... + 6407808.

It is an arithmetic number, because the mean of its divisors is an integer number (14951545).

Almost surely, 2^51262436 is an apocalyptic number.

It is an amenable number.

51262436 is a deficient number, since it is larger than the sum of its proper divisors (38446834).

51262436 is a wasteful number, since it uses less digits than its factorization.

51262436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815613 (or 12815611 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 51262436 is about 7159.7790468701. The cubic root of 51262436 is about 371.4779840432.

The spelling of 51262436 in words is "fifty-one million, two hundred sixty-two thousand, four hundred thirty-six".