55732619 has 4 divisors (see below), whose sum is σ = 57238944. Its totient is φ = 54226296.

The previous prime is 55732603. The next prime is 55732631. The reversal of 55732619 is 91623755.

It is a happy number.

55732619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55732619 - 2⁴ = 55732603 is a prime.

It is a super-2 number, since 2×55732619² = 6212249641198322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55732669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753107 + ... + 753180.

It is an arithmetic number, because the mean of its divisors is an integer number (14309736).

Almost surely, 2^55732619 is an apocalyptic number.

55732619 is a deficient number, since it is larger than the sum of its proper divisors (1506325).

55732619 is a wasteful number, since it uses less digits than its factorization.

55732619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506324.

The product of its digits is 56700, while the sum is 38.

The square root of 55732619 is about 7465.4282529537. The cubic root of 55732619 is about 381.9763583772.

It can be divided in two parts, 5573 and 2619, that added together give a 13-th power (8192 = 2¹³).

The spelling of 55732619 in words is "fifty-five million, seven hundred thirty-two thousand, six hundred nineteen".