51877801 has 8 divisors (see below), whose sum is σ = 53190144. Its totient is φ = 50574240.

The previous prime is 51877759. The next prime is 51877817. The reversal of 51877801 is 10877815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51877801 - 2¹⁹ = 51353513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51877841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10701 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (6648768).

Almost surely, 2^51877801 is an apocalyptic number.

It is an amenable number.

51877801 is a deficient number, since it is larger than the sum of its proper divisors (1312343).

51877801 is a wasteful number, since it uses less digits than its factorization.

51877801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 15680, while the sum is 37.

The square root of 51877801 is about 7202.6245910779. The cubic root of 51877801 is about 372.9585087070.

The spelling of 51877801 in words is "fifty-one million, eight hundred seventy-seven thousand, eight hundred one".