51632245 has 16 divisors (see below), whose sum is σ = 71326080. Its totient is φ = 35146944.

The previous prime is 51632221. The next prime is 51632249. The reversal of 51632245 is 54223615.

It is not a de Polignac number, because 51632245 - 2⁷ = 51632117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51632249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (4457880).

Almost surely, 2^51632245 is an apocalyptic number.

It is an amenable number.

51632245 is a deficient number, since it is larger than the sum of its proper divisors (19693835).

51632245 is a wasteful number, since it uses less digits than its factorization.

51632245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764.

The product of its digits is 7200, while the sum is 28.

The square root of 51632245 is about 7185.5580854934. The cubic root of 51632245 is about 372.3691295894.

It can be divided in two parts, 516 and 32245, that added together give a square (32761 = 181²).

The spelling of 51632245 in words is "fifty-one million, six hundred thirty-two thousand, two hundred forty-five".