55377743 has 4 divisors (see below), whose sum is σ = 55895400. Its totient is φ = 54860088.

The previous prime is 55377737. The next prime is 55377769. The reversal of 55377743 is 34777355.

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 55377743 - 2¹⁴ = 55361359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55377743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55377793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258668 + ... + 258881.

It is an arithmetic number, because the mean of its divisors is an integer number (13973850).

Almost surely, 2^55377743 is an apocalyptic number.

55377743 is a deficient number, since it is larger than the sum of its proper divisors (517657).

55377743 is a wasteful number, since it uses less digits than its factorization.

55377743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517656.

The product of its digits is 308700, while the sum is 41.

The square root of 55377743 is about 7441.6223365608. The cubic root of 55377743 is about 381.1638899675.

The spelling of 55377743 in words is "fifty-five million, three hundred seventy-seven thousand, seven hundred forty-three".