55001429 has 16 divisors (see below), whose sum is σ = 66549120. Its totient is φ = 44452800.

The previous prime is 55001423. The next prime is 55001431. The reversal of 55001429 is 92410055.

It is not a de Polignac number, because 55001429 - 2⁸ = 55001173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55001398 and 55001407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001423) 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, 5579 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (4159320).

Almost surely, 2^55001429 is an apocalyptic number.

It is an amenable number.

55001429 is a deficient number, since it is larger than the sum of its proper divisors (11547691).

55001429 is a wasteful number, since it uses less digits than its factorization.

55001429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 55001429 is about 7416.2948296302. The cubic root of 55001429 is about 380.2985396349.

The spelling of 55001429 in words is "fifty-five million, one thousand, four hundred twenty-nine".