53111310 has 32 divisors (see below), whose sum is σ = 145677312. Its totient is φ = 12139680.

The previous prime is 53111293. The next prime is 53111323. The reversal of 53111310 is 1311135.

It is a super-2 number, since 2×53111310² = 5641622499832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 53111310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126246 + ... + 126665.

It is an arithmetic number, because the mean of its divisors is an integer number (4552416).

Almost surely, 2^53111310 is an apocalyptic number.

53111310 is an abundant number, since it is smaller than the sum of its proper divisors (92566002).

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

53111310 is a wasteful number, since it uses less digits than its factorization.

53111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252928.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 53111310 is about 7287.7506817948. The cubic root of 53111310 is about 375.8913551728.

Adding to 53111310 its reverse (1311135), we get a palindrome (54422445).

The spelling of 53111310 in words is "fifty-three million, one hundred eleven thousand, three hundred ten".