51424597 has 4 divisors (see below), whose sum is σ = 58770976. Its totient is φ = 44078220.

The previous prime is 51424591. The next prime is 51424613. The reversal of 51424597 is 79542415.

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 51424597 - 2¹⁹ = 50900309 is a prime.

It is a super-2 number, since 2×51424597² = 5288978353224818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51424591) 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, 3673179 + ... + 3673192.

It is an arithmetic number, because the mean of its divisors is an integer number (14692744).

Almost surely, 2^51424597 is an apocalyptic number.

It is an amenable number.

51424597 is a deficient number, since it is larger than the sum of its proper divisors (7346379).

51424597 is an equidigital number, since it uses as much as digits as its factorization.

51424597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346378.

The product of its digits is 50400, while the sum is 37.

The square root of 51424597 is about 7171.0945468596. The cubic root of 51424597 is about 371.8692766297.

The spelling of 51424597 in words is "fifty-one million, four hundred twenty-four thousand, five hundred ninety-seven".