51424135 has 16 divisors (see below), whose sum is σ = 70672896. Its totient is φ = 35188128.

The previous prime is 51424123. The next prime is 51424141. The reversal of 51424135 is 53142415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51424135 - 2⁷ = 51424007 is a prime.

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, 19294 + ... + 21796.

It is an arithmetic number, because the mean of its divisors is an integer number (4417056).

Almost surely, 2^51424135 is an apocalyptic number.

51424135 is a deficient number, since it is larger than the sum of its proper divisors (19248761).

51424135 is a wasteful number, since it uses less digits than its factorization.

51424135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102.

The product of its digits is 2400, while the sum is 25.

The square root of 51424135 is about 7171.0623341315. The cubic root of 51424135 is about 371.8681629984.

It can be divided in two parts, 514 and 24135, that added together give a square (24649 = 157²).

The spelling of 51424135 in words is "fifty-one million, four hundred twenty-four thousand, one hundred thirty-five".