55851429 has 16 divisors (see below), whose sum is σ = 80216064. Its totient is φ = 34465200.

The previous prime is 55851421. The next prime is 55851437. The reversal of 55851429 is 92415855.

55851429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55851421) and next prime (55851437).

It is not a de Polignac number, because 55851429 - 2³ = 55851421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55851421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10917 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (5013504).

Almost surely, 2^55851429 is an apocalyptic number.

It is an amenable number.

55851429 is a deficient number, since it is larger than the sum of its proper divisors (24364635).

55851429 is a wasteful number, since it uses less digits than its factorization.

55851429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26168.

The product of its digits is 72000, while the sum is 39.

The square root of 55851429 is about 7473.3813632117. The cubic root of 55851429 is about 382.2475963070.

It can be divided in two parts, 55851 and 429, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 55851429 in words is "fifty-five million, eight hundred fifty-one thousand, four hundred twenty-nine".