51051535 has 16 divisors (see below), whose sum is σ = 62954496. Its totient is φ = 39721248.

The previous prime is 51051523. The next prime is 51051547. The reversal of 51051535 is 53515015.

It is an interprime number because it is at equal distance from previous prime (51051523) and next prime (51051547).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51051535 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, 78582 + ... + 79228.

It is an arithmetic number, because the mean of its divisors is an integer number (3934656).

Almost surely, 2^51051535 is an apocalyptic number.

51051535 is a deficient number, since it is larger than the sum of its proper divisors (11902961).

51051535 is a wasteful number, since it uses less digits than its factorization.

51051535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 51051535 is about 7145.0356892041. The cubic root of 51051535 is about 370.9678459406.

The spelling of 51051535 in words is "fifty-one million, fifty-one thousand, five hundred thirty-five".