51415150 has 12 divisors (see below), whose sum is σ = 95632272. Its totient is φ = 20566040.

The previous prime is 51415139. The next prime is 51415153. The reversal of 51415150 is 5151415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51415153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514102 + ... + 514201.

It is an arithmetic number, because the mean of its divisors is an integer number (7969356).

Almost surely, 2^51415150 is an apocalyptic number.

51415150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51415150 is a deficient number, since it is larger than the sum of its proper divisors (44217122).

51415150 is a wasteful number, since it uses less digits than its factorization.

51415150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028315 (or 1028310 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 51415150 is about 7170.4358305475. The cubic root of 51415150 is about 371.8465037129.

Adding to 51415150 its reverse (5151415), we get a palindrome (56566565).

The spelling of 51415150 in words is "fifty-one million, four hundred fifteen thousand, one hundred fifty".