51413533 has 8 divisors (see below), whose sum is σ = 53740800. Its totient is φ = 49093968.

The previous prime is 51413519. The next prime is 51413539. The reversal of 51413533 is 33531415.

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 51413533 - 2¹⁷ = 51282461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51413498 and 51413507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51413539) 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, 14983 + ... + 18091.

It is an arithmetic number, because the mean of its divisors is an integer number (6717600).

Almost surely, 2^51413533 is an apocalyptic number.

It is an amenable number.

51413533 is a deficient number, since it is larger than the sum of its proper divisors (2327267).

51413533 is a wasteful number, since it uses less digits than its factorization.

51413533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851.

The product of its digits is 2700, while the sum is 25.

The square root of 51413533 is about 7170.3230750085. The cubic root of 51413533 is about 371.8426054968.

Adding to 51413533 its reverse (33531415), we get a palindrome (84944948).

The spelling of 51413533 in words is "fifty-one million, four hundred thirteen thousand, five hundred thirty-three".