55438335 has 24 divisors (see below), whose sum is σ = 96370560. Its totient is φ = 29481792.

The previous prime is 55438307. The next prime is 55438363. The reversal of 55438335 is 53383455.

55438335 is a `hidden beast` number, since 5 + 543 + 83 + 35 = 666.

It is an interprime number because it is at equal distance from previous prime (55438307) and next prime (55438363).

It is a de Polignac number, because none of the positive numbers 2^k-55438335 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55438335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15922 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (4015440).

Almost surely, 2^55438335 is an apocalyptic number.

55438335 is a deficient number, since it is larger than the sum of its proper divisors (40932225).

55438335 is a wasteful number, since it uses less digits than its factorization.

55438335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567 (or 3564 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 55438335 is about 7445.6923788188. The cubic root of 55438335 is about 381.3028571344.

The spelling of 55438335 in words is "fifty-five million, four hundred thirty-eight thousand, three hundred thirty-five".