51545346 has 16 divisors (see below), whose sum is σ = 107573184. Its totient is φ = 16434704.

The previous prime is 51545341. The next prime is 51545353. The reversal of 51545346 is 64354515.

It is not an unprimeable number, because it can be changed into a prime (51545341) 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, 186621 + ... + 186896.

It is an arithmetic number, because the mean of its divisors is an integer number (6723324).

Almost surely, 2^51545346 is an apocalyptic number.

51545346 is an abundant number, since it is smaller than the sum of its proper divisors (56027838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51545346 is a wasteful number, since it uses less digits than its factorization.

51545346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373545.

The product of its digits is 36000, while the sum is 33.

The square root of 51545346 is about 7179.5087575683. The cubic root of 51545346 is about 372.1601085567.

The spelling of 51545346 in words is "fifty-one million, five hundred forty-five thousand, three hundred forty-six".