51097441 has 4 divisors (see below), whose sum is σ = 53786800. Its totient is φ = 48408084.

The previous prime is 51097381. The next prime is 51097471. The reversal of 51097441 is 14479015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51097441 - 2¹³ = 51089249 is a prime.

It is a super-2 number, since 2×51097441² = 5221896953496962, which contains 22 as substring.

It is a Duffinian number.

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, 1344651 + ... + 1344688.

It is an arithmetic number, because the mean of its divisors is an integer number (13446700).

Almost surely, 2^51097441 is an apocalyptic number.

It is an amenable number.

51097441 is a deficient number, since it is larger than the sum of its proper divisors (2689359).

51097441 is a wasteful number, since it uses less digits than its factorization.

51097441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689358.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 51097441 is about 7148.2474075818. The cubic root of 51097441 is about 371.0790051713.

The spelling of 51097441 in words is "fifty-one million, ninety-seven thousand, four hundred forty-one".