53120030 has 16 divisors (see below), whose sum is σ = 95709600. Its totient is φ = 21227232.

The previous prime is 53120027. The next prime is 53120033. The reversal of 53120030 is 3002135.

It is an interprime number because it is at equal distance from previous prime (53120027) and next prime (53120033).

It is a junction number, because it is equal to n+sod(n) for n = 53119987 and 53120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53120033) 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, 12092 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (5981850).

Almost surely, 2^53120030 is an apocalyptic number.

53120030 is a deficient number, since it is larger than the sum of its proper divisors (42589570).

53120030 is a wasteful number, since it uses less digits than its factorization.

53120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 53120030 is about 7288.3489213950. The cubic root of 53120030 is about 375.9119257646.

Adding to 53120030 its reverse (3002135), we get a palindrome (56122165).

The spelling of 53120030 in words is "fifty-three million, one hundred twenty thousand, thirty".