53429677434 has 256 divisors, whose sum is σ = 154770739200. Its totient is φ = 13293600768.

The previous prime is 53429677429. The next prime is 53429677487. The reversal of 53429677434 is 43477692435.

It is a happy number.

53429677434 is a `hidden beast` number, since 53 + 4 + 2 + 96 + 77 + 434 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5244954 + ... + 5255130.

It is an arithmetic number, because the mean of its divisors is an integer number (604573200).

Almost surely, 2^53429677434 is an apocalyptic number.

53429677434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53429677434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77385369600).

53429677434 is an abundant number, since it is smaller than the sum of its proper divisors (101341061766).

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

53429677434 is a wasteful number, since it uses less digits than its factorization.

53429677434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274 (or 10268 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 54.

The spelling of 53429677434 in words is "fifty-three billion, four hundred twenty-nine million, six hundred seventy-seven thousand, four hundred thirty-four".