51015050 has 12 divisors (see below), whose sum is σ = 94888086. Its totient is φ = 20406000.

The previous prime is 51015047. The next prime is 51015061. The reversal of 51015050 is 5051015.

It can be written as a sum of positive squares in 3 ways, for example, as 46117681 + 4897369 = 6791^2 + 2213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510101 + ... + 510200.

Almost surely, 2^51015050 is an apocalyptic number.

51015050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51015050 is a deficient number, since it is larger than the sum of its proper divisors (43873036).

51015050 is a wasteful number, since it uses less digits than its factorization.

51015050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020313 (or 1020308 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 51015050 is about 7142.4820615806. The cubic root of 51015050 is about 370.8794516841.

Adding to 51015050 its reverse (5051015), we get a palindrome (56066065).

The spelling of 51015050 in words is "fifty-one million, fifteen thousand, fifty".