54642655 has 4 divisors (see below), whose sum is σ = 65571192. Its totient is φ = 43714120.

The previous prime is 54642647. The next prime is 54642659. The reversal of 54642655 is 55624645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55624645 = 5 ⋅11124929.

It is not a de Polignac number, because 54642655 - 2³ = 54642647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642659) 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, 5464261 + ... + 5464270.

It is an arithmetic number, because the mean of its divisors is an integer number (16392798).

Almost surely, 2^54642655 is an apocalyptic number.

54642655 is a deficient number, since it is larger than the sum of its proper divisors (10928537).

54642655 is a wasteful number, since it uses less digits than its factorization.

54642655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928536.

The product of its digits is 144000, while the sum is 37.

The square root of 54642655 is about 7392.0670316225. The cubic root of 54642655 is about 379.4698400964.

The spelling of 54642655 in words is "fifty-four million, six hundred forty-two thousand, six hundred fifty-five".