55773459 has 48 divisors (see below), whose sum is σ = 97803264. Its totient is φ = 29937600.

The previous prime is 55773449. The next prime is 55773461. The reversal of 55773459 is 95437755.

It is not a de Polignac number, because 55773459 - 2⁸ = 55773203 is a prime.

It is a super-2 number, since 2×55773459² = 6221357457649362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55773449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88074 + ... + 88704.

It is an arithmetic number, because the mean of its divisors is an integer number (2037568).

Almost surely, 2^55773459 is an apocalyptic number.

55773459 is a deficient number, since it is larger than the sum of its proper divisors (42029805).

55773459 is a wasteful number, since it uses less digits than its factorization.

55773459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 725 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 55773459 is about 7468.1630271440. The cubic root of 55773459 is about 382.0696377161.

The spelling of 55773459 in words is "fifty-five million, seven hundred seventy-three thousand, four hundred fifty-nine".