55434426 has 8 divisors (see below), whose sum is σ = 110868864. Its totient is φ = 18478140.

The previous prime is 55434403. The next prime is 55434427. The reversal of 55434426 is 62443455.

It is a sphenic number, since it is the product of 3 distinct primes.

55434426 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55434427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619530 + ... + 4619541.

It is an arithmetic number, because the mean of its divisors is an integer number (13858608).

Almost surely, 2^55434426 is an apocalyptic number.

55434426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55434426 is a wasteful number, since it uses less digits than its factorization.

55434426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239076.

The product of its digits is 57600, while the sum is 33.

The square root of 55434426 is about 7445.4298734190. The cubic root of 55434426 is about 381.2938949370.

It can be divided in two parts, 554 and 34426, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 55434426 in words is "fifty-five million, four hundred thirty-four thousand, four hundred twenty-six".