51402627 has 8 divisors (see below), whose sum is σ = 76152080. Its totient is φ = 34268400.

The previous prime is 51402607. The next prime is 51402641. The reversal of 51402627 is 72620415.

It is not a de Polignac number, because 51402627 - 2⁶ = 51402563 is a prime.

It is a super-2 number, since 2×51402627² = 5284460125002258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1903801 = 51402627 / (5 + 1 + 4 + 0 + 2 + 6 + 2 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51402627.

It is not an unprimeable number, because it can be changed into a prime (51402607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951874 + ... + 951927.

It is an arithmetic number, because the mean of its divisors is an integer number (9519010).

Almost surely, 2^51402627 is an apocalyptic number.

51402627 is a deficient number, since it is larger than the sum of its proper divisors (24749453).

51402627 is a wasteful number, since it uses less digits than its factorization.

51402627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903810 (or 1903804 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 51402627 is about 7169.5625389559. The cubic root of 51402627 is about 371.8163114973.

The spelling of 51402627 in words is "fifty-one million, four hundred two thousand, six hundred twenty-seven".