55090419 has 8 divisors (see below), whose sum is σ = 73547712. Its totient is φ = 36680040.

The previous prime is 55090417. The next prime is 55090433. The reversal of 55090419 is 91409055.

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

It is not a de Polignac number, because 55090419 - 2¹ = 55090417 is a prime.

It is a super-2 number, since 2×55090419² = 6069908531191122, 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 55090419.

It is not an unprimeable number, because it can be changed into a prime (55090411) 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, 8889 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (9193464).

Almost surely, 2^55090419 is an apocalyptic number.

55090419 is a deficient number, since it is larger than the sum of its proper divisors (18457293).

55090419 is a wasteful number, since it uses less digits than its factorization.

55090419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23457.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 55090419 is about 7422.2920314415. The cubic root of 55090419 is about 380.5035314687.

The spelling of 55090419 in words is "fifty-five million, ninety thousand, four hundred nineteen".