51076651 has 4 divisors (see below), whose sum is σ = 51113304. Its totient is φ = 51040000.

The previous prime is 51076643. The next prime is 51076657. The reversal of 51076651 is 15667015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51076651 - 2³ = 51076643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51076657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16150 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (12778326).

Almost surely, 2^51076651 is an apocalyptic number.

51076651 is a deficient number, since it is larger than the sum of its proper divisors (36653).

51076651 is a wasteful number, since it uses less digits than its factorization.

51076651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36652.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 51076651 is about 7146.7930570291. The cubic root of 51076651 is about 371.0286714110.

The spelling of 51076651 in words is "fifty-one million, seventy-six thousand, six hundred fifty-one".