55424705 has 32 divisors (see below), whose sum is σ = 78913536. Its totient is φ = 36578304.

The previous prime is 55424693. The next prime is 55424711. The reversal of 55424705 is 50742455.

It is not a de Polignac number, because 55424705 - 2⁴ = 55424689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164297 + ... + 164633.

It is an arithmetic number, because the mean of its divisors is an integer number (2466048).

Almost surely, 2^55424705 is an apocalyptic number.

It is an amenable number.

55424705 is a deficient number, since it is larger than the sum of its proper divisors (23488831).

55424705 is a wasteful number, since it uses less digits than its factorization.

55424705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 55424705 is about 7444.7770282259. Note that the first 3 decimals coincide. The cubic root of 55424705 is about 381.2716056913.

The spelling of 55424705 in words is "fifty-five million, four hundred twenty-four thousand, seven hundred five".