55725929 has 8 divisors (see below), whose sum is σ = 65240448. Its totient is φ = 46599840.

The previous prime is 55725919. The next prime is 55725931. The reversal of 55725929 is 92952755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55725929 - 2⁸ = 55725673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55725929.

It is not an unprimeable number, because it can be changed into a prime (55725919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96797 + ... + 97370.

It is an arithmetic number, because the mean of its divisors is an integer number (8155056).

Almost surely, 2^55725929 is an apocalyptic number.

It is an amenable number.

55725929 is a deficient number, since it is larger than the sum of its proper divisors (9514519).

55725929 is a wasteful number, since it uses less digits than its factorization.

55725929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194215.

The product of its digits is 283500, while the sum is 44.

The square root of 55725929 is about 7464.9801741197. The cubic root of 55725929 is about 381.9610739462.

The spelling of 55725929 in words is "fifty-five million, seven hundred twenty-five thousand, nine hundred twenty-nine".