55311426 has 12 divisors (see below), whose sum is σ = 119841462. Its totient is φ = 18437136.

The previous prime is 55311407. The next prime is 55311427. The reversal of 55311426 is 62411355.

It can be written as a sum of positive squares in only one way, i.e., 43758225 + 11553201 = 6615^2 + 3399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55311426.

It is not an unprimeable number, because it can be changed into a prime (55311427) 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, 1536411 + ... + 1536446.

Almost surely, 2^55311426 is an apocalyptic number.

55311426 is an abundant number, since it is smaller than the sum of its proper divisors (64530036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55311426 is a wasteful number, since it uses less digits than its factorization.

55311426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072865 (or 3072862 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 55311426 is about 7437.1651857411. The cubic root of 55311426 is about 381.0116763322.

The spelling of 55311426 in words is "fifty-five million, three hundred eleven thousand, four hundred twenty-six".