53136123510 has 16 divisors (see below), whose sum is σ = 127526696496. Its totient is φ = 14169632928.

The previous prime is 53136123431. The next prime is 53136123511. The reversal of 53136123510 is 1532163135.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1771204117 = 53136123510 / (5 + 3 + 1 + 3 + 6 + 1 + 2 + 3 + 5 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53136123511) 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, 885602029 + ... + 885602088.

It is an arithmetic number, because the mean of its divisors is an integer number (7970418531).

Almost surely, 2^53136123510 is an apocalyptic number.

53136123510 is an abundant number, since it is smaller than the sum of its proper divisors (74390572986).

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

53136123510 is a wasteful number, since it uses less digits than its factorization.

53136123510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771204127.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 53136123510 its reverse (1532163135), we get a palindrome (54668286645).

The spelling of 53136123510 in words is "fifty-three billion, one hundred thirty-six million, one hundred twenty-three thousand, five hundred ten".