55457254 has 4 divisors (see below), whose sum is σ = 83185884. Its totient is φ = 27728626.

The previous prime is 55457249. The next prime is 55457279. The reversal of 55457254 is 45275455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45275455 = 5 ⋅9055091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13864312 + ... + 13864315.

It is an arithmetic number, because the mean of its divisors is an integer number (20796471).

Almost surely, 2^55457254 is an apocalyptic number.

55457254 is a deficient number, since it is larger than the sum of its proper divisors (27728630).

55457254 is a wasteful number, since it uses less digits than its factorization.

55457254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27728629.

The product of its digits is 140000, while the sum is 37.

The square root of 55457254 is about 7446.9627365793. The cubic root of 55457254 is about 381.3462269332.

The spelling of 55457254 in words is "fifty-five million, four hundred fifty-seven thousand, two hundred fifty-four".