55426077 has 24 divisors (see below), whose sum is σ = 91977600. Its totient is φ = 31505760.

The previous prime is 55426057. The next prime is 55426093. The reversal of 55426077 is 77062455.

55426077 is a `hidden beast` number, since 5 + 5 + 42 + 607 + 7 = 666.

It is not a de Polignac number, because 55426077 - 2¹⁵ = 55393309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55426027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10327 + ... + 14747.

It is an arithmetic number, because the mean of its divisors is an integer number (3832400).

Almost surely, 2^55426077 is an apocalyptic number.

It is an amenable number.

55426077 is a deficient number, since it is larger than the sum of its proper divisors (36551523).

55426077 is a wasteful number, since it uses less digits than its factorization.

55426077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 55426077 is about 7444.8691727928. The cubic root of 55426077 is about 381.2747517031.

The spelling of 55426077 in words is "fifty-five million, four hundred twenty-six thousand, seventy-seven".