55426423 has 6 divisors (see below), whose sum is σ = 60018144. Its totient is φ = 51162696.

The previous prime is 55426411. The next prime is 55426433. The reversal of 55426423 is 32462455.

It is not a de Polignac number, because 55426423 - 2²¹ = 53329271 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 (55426433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163815 + ... + 164152.

It is an arithmetic number, because the mean of its divisors is an integer number (10003024).

Almost surely, 2^55426423 is an apocalyptic number.

55426423 is a deficient number, since it is larger than the sum of its proper divisors (4591721).

55426423 is a wasteful number, since it uses less digits than its factorization.

55426423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327993 (or 327980 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 55426423 is about 7444.8924102367. The cubic root of 55426423 is about 381.2755450769.

Adding to 55426423 its reverse (32462455), we get a palindrome (87888878).

The spelling of 55426423 in words is "fifty-five million, four hundred twenty-six thousand, four hundred twenty-three".