51416013 has 8 divisors (see below), whose sum is σ = 74786976. Its totient is φ = 31161200.

The previous prime is 51415993. The next prime is 51416023. The reversal of 51416013 is 31061415.

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

It is a cyclic number.

It is not a de Polignac number, because 51416013 - 2⁵ = 51415981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51416023) 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, 778998 + ... + 779063.

It is an arithmetic number, because the mean of its divisors is an integer number (9348372).

Almost surely, 2^51416013 is an apocalyptic number.

It is an amenable number.

51416013 is a deficient number, since it is larger than the sum of its proper divisors (23370963).

51416013 is a wasteful number, since it uses less digits than its factorization.

51416013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558075.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 51416013 is about 7170.4960079481. The cubic root of 51416013 is about 371.8485841745.

Adding to 51416013 its reverse (31061415), we get a palindrome (82477428).

The spelling of 51416013 in words is "fifty-one million, four hundred sixteen thousand, thirteen".