55102419 has 12 divisors (see below), whose sum is σ = 79729416. Its totient is φ = 36671712.

The previous prime is 55102417. The next prime is 55102427. The reversal of 55102419 is 91420155.

It is not a de Polignac number, because 55102419 - 2¹ = 55102417 is a prime.

It is a super-2 number, since 2×55102419² = 6072553159303122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55102392 and 55102401.

It is not an unprimeable number, because it can be changed into a prime (55102417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (6644118).

Almost surely, 2^55102419 is an apocalyptic number.

55102419 is a deficient number, since it is larger than the sum of its proper divisors (24626997).

55102419 is a wasteful number, since it uses less digits than its factorization.

55102419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10546 (or 10543 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 55102419 is about 7423.1003630559. The cubic root of 55102419 is about 380.5311570279.

The spelling of 55102419 in words is "fifty-five million, one hundred two thousand, four hundred nineteen".