53434420155 has 24 divisors (see below), whose sum is σ = 92625406848. Its totient is φ = 28496589696.

The previous prime is 53434420141. The next prime is 53434420187. The reversal of 53434420155 is 55102443435.

53434420155 is a `hidden beast` number, since 53 + 4 + 34 + 420 + 155 = 666.

It is not a de Polignac number, because 53434420155 - 2⁴ = 53434420139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047574 + ... + 1097396.

It is an arithmetic number, because the mean of its divisors is an integer number (3859391952).

Almost surely, 2^53434420155 is an apocalyptic number.

53434420155 is a deficient number, since it is larger than the sum of its proper divisors (39190986693).

53434420155 is a wasteful number, since it uses less digits than its factorization.

53434420155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73667 (or 73664 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 53434420155 in words is "fifty-three billion, four hundred thirty-four million, four hundred twenty thousand, one hundred fifty-five".