53120534 has 4 divisors (see below), whose sum is σ = 79680804. Its totient is φ = 26560266.

The previous prime is 53120519. The next prime is 53120537. The reversal of 53120534 is 43502135.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×53120534² = 5643582264890312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53120537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13280132 + ... + 13280135.

It is an arithmetic number, because the mean of its divisors is an integer number (19920201).

Almost surely, 2^53120534 is an apocalyptic number.

53120534 is a deficient number, since it is larger than the sum of its proper divisors (26560270).

53120534 is a wasteful number, since it uses less digits than its factorization.

53120534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560269.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53120534 is about 7288.3834970451. The cubic root of 53120534 is about 375.9131146383.

Adding to 53120534 its reverse (43502135), we get a palindrome (96622669).

The spelling of 53120534 in words is "fifty-three million, one hundred twenty thousand, five hundred thirty-four".