53655429 has 16 divisors (see below), whose sum is σ = 73725120. Its totient is φ = 34688640.

The previous prime is 53655397. The next prime is 53655461. The reversal of 53655429 is 92455635.

It is an interprime number because it is at equal distance from previous prime (53655397) and next prime (53655461).

It is not a de Polignac number, because 53655429 - 2⁵ = 53655397 is a prime.

It is a super-2 number, since 2×53655429² = 5757810122348082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53655479) 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, 20799 + ... + 23235.

It is an arithmetic number, because the mean of its divisors is an integer number (4607820).

Almost surely, 2^53655429 is an apocalyptic number.

It is an amenable number.

53655429 is a deficient number, since it is larger than the sum of its proper divisors (20069691).

53655429 is a wasteful number, since it uses less digits than its factorization.

53655429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660.

The product of its digits is 162000, while the sum is 39.

The square root of 53655429 is about 7324.9866211482. The cubic root of 53655429 is about 377.1706502745.

It can be divided in two parts, 5365542 and 9, that multiplied together give a triangular number (48289878 = T₉₈₂₇).

The spelling of 53655429 in words is "fifty-three million, six hundred fifty-five thousand, four hundred twenty-nine".