51634031 has 8 divisors (see below), whose sum is σ = 52810704. Its totient is φ = 50464960.

The previous prime is 51633991. The next prime is 51634061. The reversal of 51634031 is 13043615.

It is a happy number.

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 51634031 - 2¹⁰ = 51633007 is a prime.

It is a super-2 number, since 2×51634031² = 5332146314617922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51633988 and 51634006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51634061) 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, 13160 + ... + 16626.

It is an arithmetic number, because the mean of its divisors is an integer number (6601338).

Almost surely, 2^51634031 is an apocalyptic number.

51634031 is a deficient number, since it is larger than the sum of its proper divisors (1176673).

51634031 is a wasteful number, since it uses less digits than its factorization.

51634031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51634031 is about 7185.6823614741. The cubic root of 51634031 is about 372.3734230536.

Adding to 51634031 its reverse (13043615), we get a palindrome (64677646).

The spelling of 51634031 in words is "fifty-one million, six hundred thirty-four thousand, thirty-one".