55257342 has 16 divisors (see below), whose sum is σ = 126302592. Its totient is φ = 15787800.

The previous prime is 55257331. The next prime is 55257343. The reversal of 55257342 is 24375255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55257343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657784 + ... + 657867.

It is an arithmetic number, because the mean of its divisors is an integer number (7893912).

Almost surely, 2^55257342 is an apocalyptic number.

55257342 is an abundant number, since it is smaller than the sum of its proper divisors (71045250).

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

55257342 is a wasteful number, since it uses less digits than its factorization.

55257342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315663.

The product of its digits is 42000, while the sum is 33.

The square root of 55257342 is about 7433.5282336183. The cubic root of 55257342 is about 380.8874503082.

The spelling of 55257342 in words is "fifty-five million, two hundred fifty-seven thousand, three hundred forty-two".