55394911 has 16 divisors (see below), whose sum is σ = 66316320. Its totient is φ = 45601920.

The previous prime is 55394903. The next prime is 55394939. The reversal of 55394911 is 11949355.

55394911 = 3036² + 3037² + ... + 3041².

It is a happy number.

It is not a de Polignac number, because 55394911 - 2³ = 55394903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55394111) 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, 3925 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (4144770).

Almost surely, 2^55394911 is an apocalyptic number.

55394911 is a deficient number, since it is larger than the sum of its proper divisors (10921409).

55394911 is a wasteful number, since it uses less digits than its factorization.

55394911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386.

The product of its digits is 24300, while the sum is 37.

The square root of 55394911 is about 7442.7757590834. The cubic root of 55394911 is about 381.2032748972.

The spelling of 55394911 in words is "fifty-five million, three hundred ninety-four thousand, nine hundred eleven".