51622995 has 8 divisors (see below), whose sum is σ = 82596816. Its totient is φ = 27532256.

The previous prime is 51622993. The next prime is 51622997. The reversal of 51622995 is 59922615.

51622995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51622993) and next prime (51622997).

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 51622995 - 2¹ = 51622993 is a prime.

It is a super-2 number, since 2×51622995² = 5329867225540050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51622993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720752 + ... + 1720781.

It is an arithmetic number, because the mean of its divisors is an integer number (10324602).

Almost surely, 2^51622995 is an apocalyptic number.

51622995 is a deficient number, since it is larger than the sum of its proper divisors (30973821).

51622995 is a wasteful number, since it uses less digits than its factorization.

51622995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441541.

The product of its digits is 48600, while the sum is 39.

The square root of 51622995 is about 7184.9144045006. The cubic root of 51622995 is about 372.3468914178.

The spelling of 51622995 in words is "fifty-one million, six hundred twenty-two thousand, nine hundred ninety-five".