51028895 has 12 divisors (see below), whose sum is σ = 61873560. Its totient is φ = 40401504.

The previous prime is 51028871. The next prime is 51028903. The reversal of 51028895 is 59882015.

51028895 = T₂₀ + T₂₁ + ... + T₆₇₃.

It is not a de Polignac number, because 51028895 - 2⁸ = 51028639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58976 + ... + 59834.

It is an arithmetic number, because the mean of its divisors is an integer number (5156130).

Almost surely, 2^51028895 is an apocalyptic number.

51028895 is a deficient number, since it is larger than the sum of its proper divisors (10844665).

51028895 is an equidigital number, since it uses as much as digits as its factorization.

51028895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 51028895 is about 7143.4511967256. The cubic root of 51028895 is about 370.9129997029.

The spelling of 51028895 in words is "fifty-one million, twenty-eight thousand, eight hundred ninety-five".