55442367 has 8 divisors (see below), whose sum is σ = 82136880. Its totient is φ = 36961560.

The previous prime is 55442363. The next prime is 55442369. The reversal of 55442367 is 76324455.

55442367 is a `hidden beast` number, since 554 + 42 + 3 + 67 = 666.

It is not a de Polignac number, because 55442367 - 2² = 55442363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026684 + ... + 1026737.

It is an arithmetic number, because the mean of its divisors is an integer number (10267110).

Almost surely, 2^55442367 is an apocalyptic number.

55442367 is a deficient number, since it is larger than the sum of its proper divisors (26694513).

55442367 is a wasteful number, since it uses less digits than its factorization.

55442367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053430 (or 2053424 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55442367 is about 7445.9631344776. The cubic root of 55442367 is about 381.3121008936.

The spelling of 55442367 in words is "fifty-five million, four hundred forty-two thousand, three hundred sixty-seven".