51121594 has 8 divisors (see below), whose sum is σ = 80016480. Its totient is φ = 24449436.

The previous prime is 51121591. The next prime is 51121597. The reversal of 51121594 is 49512115.

It is an interprime number because it is at equal distance from previous prime (51121591) and next prime (51121597).

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

It is a super-2 number, since 2×51121594² = 5226834746201672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51121591) 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, 555624 + ... + 555715.

It is an arithmetic number, because the mean of its divisors is an integer number (10002060).

Almost surely, 2^51121594 is an apocalyptic number.

51121594 is a deficient number, since it is larger than the sum of its proper divisors (28894886).

51121594 is a wasteful number, since it uses less digits than its factorization.

51121594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111364.

The product of its digits is 1800, while the sum is 28.

The square root of 51121594 is about 7149.9366430759. The cubic root of 51121594 is about 371.1374638028.

It can be divided in two parts, 51121 and 594, that added together give a palindrome (51715).

The spelling of 51121594 in words is "fifty-one million, one hundred twenty-one thousand, five hundred ninety-four".