51227054 has 4 divisors (see below), whose sum is σ = 76840584. Its totient is φ = 25613526.

The previous prime is 51227053. The next prime is 51227087. The reversal of 51227054 is 45072215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45072215 = 5 ⋅9014443.

It is a super-2 number, since 2×51227054² = 5248422123037832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51227051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12806762 + ... + 12806765.

It is an arithmetic number, because the mean of its divisors is an integer number (19210146).

Almost surely, 2^51227054 is an apocalyptic number.

51227054 is a deficient number, since it is larger than the sum of its proper divisors (25613530).

51227054 is a wasteful number, since it uses less digits than its factorization.

51227054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25613529.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 51227054 is about 7157.3077340575. The cubic root of 51227054 is about 371.3924980605.

Adding to 51227054 its reverse (45072215), we get a palindrome (96299269).

The spelling of 51227054 in words is "fifty-one million, two hundred twenty-seven thousand, fifty-four".