51026305 has 48 divisors (see below), whose sum is σ = 74309760. Its totient is φ = 33454080.

The previous prime is 51026257. The next prime is 51026321. The reversal of 51026305 is 50362015.

It is a happy number.

It is not a de Polignac number, because 51026305 - 2¹¹ = 51024257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 264289 + ... + 264481.

It is an arithmetic number, because the mean of its divisors is an integer number (1548120).

Almost surely, 2^51026305 is an apocalyptic number.

51026305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51026305 is a deficient number, since it is larger than the sum of its proper divisors (23283455).

51026305 is a wasteful number, since it uses less digits than its factorization.

51026305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51026305 is about 7143.2699095022. The cubic root of 51026305 is about 370.9067242980.

The spelling of 51026305 in words is "fifty-one million, twenty-six thousand, three hundred five".