55914819 has 16 divisors (see below), whose sum is σ = 80621568. Its totient is φ = 34335872.

The previous prime is 55914809. The next prime is 55914823. The reversal of 55914819 is 91841955.

It is a cyclic number.

It is not a de Polignac number, because 55914819 - 2¹⁷ = 55783747 is a prime.

It is a super-2 number, since 2×55914819² = 6252933967605522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55914809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (5038848).

Almost surely, 2^55914819 is an apocalyptic number.

55914819 is a deficient number, since it is larger than the sum of its proper divisors (24706749).

55914819 is a wasteful number, since it uses less digits than its factorization.

55914819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23394.

The product of its digits is 64800, while the sum is 42.

The square root of 55914819 is about 7477.6212126585. The cubic root of 55914819 is about 382.3921555079.

The spelling of 55914819 in words is "fifty-five million, nine hundred fourteen thousand, eight hundred nineteen".