51061502 has 8 divisors (see below), whose sum is σ = 76642200. Its totient is φ = 25514104.

The previous prime is 51061501. The next prime is 51061519. The reversal of 51061502 is 20516015.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061501) 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, 4052 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (9580275).

Almost surely, 2^51061502 is an apocalyptic number.

51061502 is a deficient number, since it is larger than the sum of its proper divisors (25580698).

51061502 is a wasteful number, since it uses less digits than its factorization.

51061502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51061502 is about 7145.7331324364. The cubic root of 51061502 is about 370.9919862263.

Adding to 51061502 its reverse (20516015), we get a palindrome (71577517).

The spelling of 51061502 in words is "fifty-one million, sixty-one thousand, five hundred two".