55058340 has 48 divisors (see below), whose sum is σ = 154929600. Its totient is φ = 14609280.

The previous prime is 55058329. The next prime is 55058347. The reversal of 55058340 is 4385055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55058298 and 55058307.

It is not an unprimeable number, because it can be changed into a prime (55058347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10486 + ... + 14834.

It is an arithmetic number, because the mean of its divisors is an integer number (3227700).

Almost surely, 2^55058340 is an apocalyptic number.

It is an amenable number.

55058340 is an abundant number, since it is smaller than the sum of its proper divisors (99871260).

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

55058340 is a wasteful number, since it uses less digits than its factorization.

55058340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572 (or 4570 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55058340 is about 7420.1307266112. The cubic root of 55058340 is about 380.4296617409.

The spelling of 55058340 in words is "fifty-five million, fifty-eight thousand, three hundred forty".