51634055 has 16 divisors (see below), whose sum is σ = 69423264. Its totient is φ = 36535680.

The previous prime is 51633991. The next prime is 51634061. The reversal of 51634055 is 55043615.

51634055 = T₁₂₃ + T₁₂₄ + ... + T₆₇₇.

It is not a de Polignac number, because 51634055 - 2⁶ = 51633991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10652 + ... + 14721.

It is an arithmetic number, because the mean of its divisors is an integer number (4338954).

Almost surely, 2^51634055 is an apocalyptic number.

51634055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51634055 is a deficient number, since it is larger than the sum of its proper divisors (17789209).

51634055 is a wasteful number, since it uses less digits than its factorization.

51634055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25426.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51634055 is about 7185.6840314614. The cubic root of 51634055 is about 372.3734807479.

The spelling of 51634055 in words is "fifty-one million, six hundred thirty-four thousand, fifty-five".