55427058 has 16 divisors (see below), whose sum is σ = 123171360. Its totient is φ = 18475668.

The previous prime is 55427051. The next prime is 55427059. The reversal of 55427058 is 85072455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55427051) 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, 513160 + ... + 513267.

It is an arithmetic number, because the mean of its divisors is an integer number (7698210).

Almost surely, 2^55427058 is an apocalyptic number.

55427058 is an abundant number, since it is smaller than the sum of its proper divisors (67744302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55427058 is a wasteful number, since it uses less digits than its factorization.

55427058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026438 (or 1026432 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55427058 is about 7444.9350568020. The cubic root of 55427058 is about 381.2770011155.

The spelling of 55427058 in words is "fifty-five million, four hundred twenty-seven thousand, fifty-eight".