53051522 has 4 divisors (see below), whose sum is σ = 79577286. Its totient is φ = 26525760.

The previous prime is 53051521. The next prime is 53051533. The reversal of 53051522 is 22515035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22515035 = 5 ⋅4503007.

It can be written as a sum of positive squares in only one way, i.e., 29149201 + 23902321 = 5399^2 + 4889^2 .

It is not an unprimeable number, because it can be changed into a prime (53051521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13262879 + ... + 13262882.

Almost surely, 2^53051522 is an apocalyptic number.

53051522 is a deficient number, since it is larger than the sum of its proper divisors (26525764).

53051522 is a wasteful number, since it uses less digits than its factorization.

53051522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26525763.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 53051522 is about 7283.6475752194. The cubic root of 53051522 is about 375.7502538353.

Adding to 53051522 its reverse (22515035), we get a palindrome (75566557).

The spelling of 53051522 in words is "fifty-three million, fifty-one thousand, five hundred twenty-two".