55670743 has 4 divisors (see below), whose sum is σ = 57028608. Its totient is φ = 54312880.

The previous prime is 55670737. The next prime is 55670773. The reversal of 55670743 is 34707655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55670743 - 2²¹ = 53573591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55670773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678871 + ... + 678952.

It is an arithmetic number, because the mean of its divisors is an integer number (14257152).

Almost surely, 2^55670743 is an apocalyptic number.

55670743 is a deficient number, since it is larger than the sum of its proper divisors (1357865).

55670743 is a wasteful number, since it uses less digits than its factorization.

55670743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357864.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 55670743 is about 7461.2829325794. The cubic root of 55670743 is about 381.8349455517.

The spelling of 55670743 in words is "fifty-five million, six hundred seventy thousand, seven hundred forty-three".