51626783 has 8 divisors (see below), whose sum is σ = 56428848. Its totient is φ = 46943424.

The previous prime is 51626767. The next prime is 51626797. The reversal of 51626783 is 38762615.

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 51626783 - 2⁴ = 51626767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51626723) 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, 28766 + ... + 30507.

It is an arithmetic number, because the mean of its divisors is an integer number (7053606).

Almost surely, 2^51626783 is an apocalyptic number.

51626783 is a deficient number, since it is larger than the sum of its proper divisors (4802065).

51626783 is a wasteful number, since it uses less digits than its factorization.

51626783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59353.

The product of its digits is 60480, while the sum is 38.

The square root of 51626783 is about 7185.1780075375. The cubic root of 51626783 is about 372.3559985707.

The spelling of 51626783 in words is "fifty-one million, six hundred twenty-six thousand, seven hundred eighty-three".