55035729 has 24 divisors (see below), whose sum is σ = 91175552. Its totient is φ = 31337280.

The previous prime is 55035719. The next prime is 55035733. The reversal of 55035729 is 92753055.

55035729 is a `hidden beast` number, since 550 + 35 + 72 + 9 = 666.

It is not a de Polignac number, because 55035729 - 2¹³ = 55027537 is a prime.

It is a super-2 number, since 2×55035729² = 6057862933122882, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55035693 and 55035702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55035709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18324 + ... + 21114.

Almost surely, 2^55035729 is an apocalyptic number.

It is an amenable number.

55035729 is a deficient number, since it is larger than the sum of its proper divisors (36139823).

55035729 is a wasteful number, since it uses less digits than its factorization.

55035729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 55035729 is about 7418.6069447033. The cubic root of 55035729 is about 380.3775771529.

The spelling of 55035729 in words is "fifty-five million, thirty-five thousand, seven hundred twenty-nine".