51227097 has 32 divisors (see below), whose sum is σ = 75755520. Its totient is φ = 30663360.

The previous prime is 51227089. The next prime is 51227107. The reversal of 51227097 is 79072215.

It is not a de Polignac number, because 51227097 - 2³ = 51227089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51227017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93378 + ... + 93924.

It is an arithmetic number, because the mean of its divisors is an integer number (2367360).

Almost surely, 2^51227097 is an apocalyptic number.

51227097 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

51227097 is a deficient number, since it is larger than the sum of its proper divisors (24528423).

51227097 is a wasteful number, since it uses less digits than its factorization.

51227097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 51227097 is about 7157.3107379797. The cubic root of 51227097 is about 371.3926019761.

The spelling of 51227097 in words is "fifty-one million, two hundred twenty-seven thousand, ninety-seven".