55927994419 has 32 divisors (see below), whose sum is σ = 63475112448. Its totient is φ = 48837600000.

The previous prime is 55927994389. The next prime is 55927994477. The reversal of 55927994419 is 91449972955.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55927994419 is a prime.

It is a super-2 number, since 2×55927994419² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55927994519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7209847 + ... + 7217599.

It is an arithmetic number, because the mean of its divisors is an integer number (1983597264).

Almost surely, 2^55927994419 is an apocalyptic number.

55927994419 is a deficient number, since it is larger than the sum of its proper divisors (7547118029).

55927994419 is a wasteful number, since it uses less digits than its factorization.

55927994419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059.

The product of its digits is 36741600, while the sum is 64.

The spelling of 55927994419 in words is "fifty-five billion, nine hundred twenty-seven million, nine hundred ninety-four thousand, four hundred nineteen".