51097411 has 4 divisors (see below), whose sum is σ = 51143800. Its totient is φ = 51051024.

The previous prime is 51097381. The next prime is 51097471. The reversal of 51097411 is 11479015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11479015 = 5 ⋅2295803.

It is a cyclic number.

It is not a de Polignac number, because 51097411 - 2⁵ = 51097379 is a prime.

It is a super-2 number, since 2×51097411² = 5221890821805842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51097411.

It is not an unprimeable number, because it can be changed into a prime (51097471) 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, 21501 + ... + 23758.

It is an arithmetic number, because the mean of its divisors is an integer number (12785950).

Almost surely, 2^51097411 is an apocalyptic number.

51097411 is a deficient number, since it is larger than the sum of its proper divisors (46389).

51097411 is a wasteful number, since it uses less digits than its factorization.

51097411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46388.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 51097411 is about 7148.2453091650. The cubic root of 51097411 is about 371.0789325495.

The spelling of 51097411 in words is "fifty-one million, ninety-seven thousand, four hundred eleven".