55929907 has 4 divisors (see below), whose sum is σ = 61014456. Its totient is φ = 50845360.

The previous prime is 55929889. The next prime is 55929931. The reversal of 55929907 is 70992955.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55929907 - 2¹⁹ = 55405619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55929967) 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, 2542258 + ... + 2542279.

It is an arithmetic number, because the mean of its divisors is an integer number (15253614).

Almost surely, 2^55929907 is an apocalyptic number.

55929907 is a deficient number, since it is larger than the sum of its proper divisors (5084549).

55929907 is a wasteful number, since it uses less digits than its factorization.

55929907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084548.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 55929907 is about 7478.6300216015. The cubic root of 55929907 is about 382.4265471896.

The spelling of 55929907 in words is "fifty-five million, nine hundred twenty-nine thousand, nine hundred seven".