51411939 has 8 divisors (see below), whose sum is σ = 68582592. Its totient is φ = 34257960.

The previous prime is 51411931. The next prime is 51411973. The reversal of 51411939 is 93911415.

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

It is not a de Polignac number, because 51411939 - 2³ = 51411931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51411931) 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, 8752 + ... + 13394.

It is an arithmetic number, because the mean of its divisors is an integer number (8572824).

Almost surely, 2^51411939 is an apocalyptic number.

51411939 is a deficient number, since it is larger than the sum of its proper divisors (17170653).

51411939 is a wasteful number, since it uses less digits than its factorization.

51411939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337.

The product of its digits is 4860, while the sum is 33.

The square root of 51411939 is about 7170.2119215543. The cubic root of 51411939 is about 371.8387626484.

The spelling of 51411939 in words is "fifty-one million, four hundred eleven thousand, nine hundred thirty-nine".