55425055 has 32 divisors (see below), whose sum is σ = 81911808. Its totient is φ = 35164800.

The previous prime is 55425011. The next prime is 55425077. The reversal of 55425055 is 55052455.

It is not a de Polignac number, because 55425055 - 2¹⁵ = 55392287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent 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, 23845 + ... + 26065.

It is an arithmetic number, because the mean of its divisors is an integer number (2559744).

Almost surely, 2^55425055 is an apocalyptic number.

55425055 is a deficient number, since it is larger than the sum of its proper divisors (26486753).

55425055 is a wasteful number, since it uses less digits than its factorization.

55425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 55425055 is about 7444.8005346013. The cubic root of 55425055 is about 381.2724082502.

The spelling of 55425055 in words is "fifty-five million, four hundred twenty-five thousand, fifty-five".