51450079 has 8 divisors (see below), whose sum is σ = 52531200. Its totient is φ = 50379000.

The previous prime is 51450073. The next prime is 51450083. The reversal of 51450079 is 97005415.

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 51450079 - 2¹⁷ = 51319007 is a prime.

It is a super-2 number, since 2×51450079² = 5294221258212482, 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 51450079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51450073) 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, 8322 + ... + 13120.

It is an arithmetic number, because the mean of its divisors is an integer number (6566400).

Almost surely, 2^51450079 is an apocalyptic number.

51450079 is a deficient number, since it is larger than the sum of its proper divisors (1081121).

51450079 is a wasteful number, since it uses less digits than its factorization.

51450079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 51450079 is about 7172.8710430343. The cubic root of 51450079 is about 371.9306895767.

The spelling of 51450079 in words is "fifty-one million, four hundred fifty thousand, seventy-nine".