53121357435 has 16 divisors (see below), whose sum is σ = 85663420416. Its totient is φ = 28108307808.

The previous prime is 53121357433. The next prime is 53121357437. The reversal of 53121357435 is 53475312135.

It is an interprime number because it is at equal distance from previous prime (53121357433) and next prime (53121357437).

It is not a de Polignac number, because 53121357435 - 2¹ = 53121357433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53121357393 and 53121357402.

It is not an unprimeable number, because it can be changed into a prime (53121357433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13940709 + ... + 13944518.

It is an arithmetic number, because the mean of its divisors is an integer number (5353963776).

Almost surely, 2^53121357435 is an apocalyptic number.

53121357435 is a deficient number, since it is larger than the sum of its proper divisors (32542062981).

53121357435 is a wasteful number, since it uses less digits than its factorization.

53121357435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27885362.

The product of its digits is 189000, while the sum is 39.

The spelling of 53121357435 in words is "fifty-three billion, one hundred twenty-one million, three hundred fifty-seven thousand, four hundred thirty-five".