55606454 has 4 divisors (see below), whose sum is σ = 83409684. Its totient is φ = 27803226.

The previous prime is 55606451. The next prime is 55606469. The reversal of 55606454 is 45460655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45460655 = 5 ⋅9092131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13901612 + ... + 13901615.

It is an arithmetic number, because the mean of its divisors is an integer number (20852421).

Almost surely, 2^55606454 is an apocalyptic number.

55606454 is a deficient number, since it is larger than the sum of its proper divisors (27803230).

55606454 is a wasteful number, since it uses less digits than its factorization.

55606454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27803229.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 55606454 is about 7456.9735147713. The cubic root of 55606454 is about 381.6879069644.

The spelling of 55606454 in words is "fifty-five million, six hundred six thousand, four hundred fifty-four".