53978122 has 16 divisors (see below), whose sum is σ = 88441632. Its totient is φ = 24503920.

The previous prime is 53978117. The next prime is 53978129. The reversal of 53978122 is 22187935.

It is not an unprimeable number, because it can be changed into a prime (53978129) 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, 29313 + ... + 31099.

It is an arithmetic number, because the mean of its divisors is an integer number (5527602).

Almost surely, 2^53978122 is an apocalyptic number.

53978122 is a deficient number, since it is larger than the sum of its proper divisors (34463510).

53978122 is a wasteful number, since it uses less digits than its factorization.

53978122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173.

The product of its digits is 30240, while the sum is 37.

The square root of 53978122 is about 7346.9804681924. The cubic root of 53978122 is about 377.9252626052.

The spelling of 53978122 in words is "fifty-three million, nine hundred seventy-eight thousand, one hundred twenty-two".