51202516 has 24 divisors (see below), whose sum is σ = 93219840. Its totient is φ = 24578400.

The previous prime is 51202493. The next prime is 51202519. The reversal of 51202516 is 61520215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51202519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21001 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (3884160).

Almost surely, 2^51202516 is an apocalyptic number.

It is an amenable number.

51202516 is a deficient number, since it is larger than the sum of its proper divisors (42017324).

51202516 is a wasteful number, since it uses less digits than its factorization.

51202516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51202516 is about 7155.5933366842. The cubic root of 51202516 is about 371.3331890048. Note that the first 3 decimals are identical.

The spelling of 51202516 in words is "fifty-one million, two hundred two thousand, five hundred sixteen".