55426942 has 4 divisors (see below), whose sum is σ = 83140416. Its totient is φ = 27713470.

The previous prime is 55426939. The next prime is 55426949. The reversal of 55426942 is 24962455.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55426949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13856734 + ... + 13856737.

It is an arithmetic number, because the mean of its divisors is an integer number (20785104).

Almost surely, 2^55426942 is an apocalyptic number.

55426942 is a deficient number, since it is larger than the sum of its proper divisors (27713474).

55426942 is a wasteful number, since it uses less digits than its factorization.

55426942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27713473.

The product of its digits is 86400, while the sum is 37.

The square root of 55426942 is about 7444.9272662666. The cubic root of 55426942 is about 381.2767351313.

The spelling of 55426942 in words is "fifty-five million, four hundred twenty-six thousand, nine hundred forty-two".