55053519 has 8 divisors (see below), whose sum is σ = 73518720. Its totient is φ = 36645336.

The previous prime is 55053517. The next prime is 55053539. The reversal of 55053519 is 91535055.

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

It is not a de Polignac number, because 55053519 - 2¹ = 55053517 is a prime.

It is a super-2 number, since 2×55053519² = 6061779908566722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55053519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11947 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (9189840).

Almost surely, 2^55053519 is an apocalyptic number.

55053519 is a deficient number, since it is larger than the sum of its proper divisors (18465201).

55053519 is a wasteful number, since it uses less digits than its factorization.

55053519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28509.

The product of its (nonzero) digits is 16875, while the sum is 33.

The square root of 55053519 is about 7419.8058599939. The cubic root of 55053519 is about 380.4185577318.

The spelling of 55053519 in words is "fifty-five million, fifty-three thousand, five hundred nineteen".