55503719 has 8 divisors (see below), whose sum is σ = 56563920. Its totient is φ = 54447616.

The previous prime is 55503703. The next prime is 55503751. The reversal of 55503719 is 91730555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55503719 - 2⁴ = 55503703 is a prime.

It is a super-2 number, since 2×55503719² = 6161325645661922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503319) 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 7 ways as a sum of consecutive naturals, for example, 44999 + ... + 46215.

It is an arithmetic number, because the mean of its divisors is an integer number (7070490).

Almost surely, 2^55503719 is an apocalyptic number.

55503719 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

55503719 is a deficient number, since it is larger than the sum of its proper divisors (1060201).

55503719 is a wasteful number, since it uses less digits than its factorization.

55503719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 55503719 is about 7450.0818116313. The cubic root of 55503719 is about 381.4527011679.

The spelling of 55503719 in words is "fifty-five million, five hundred three thousand, seven hundred nineteen".