55058040 has 48 divisors (see below), whose sum is σ = 178939800. Its totient is φ = 14682048.

The previous prime is 55058011. The next prime is 55058071. The reversal of 55058040 is 4085055.

It is a junction number, because it is equal to n+sod(n) for n = 55057995 and 55058013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76110 + ... + 76829.

Almost surely, 2^55058040 is an apocalyptic number.

It is an amenable number.

55058040 is an abundant number, since it is smaller than the sum of its proper divisors (123881760).

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

55058040 is a wasteful number, since it uses less digits than its factorization.

55058040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152956 (or 152949 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55058040 is about 7420.1105113064. The cubic root of 55058040 is about 380.4289707823.

The spelling of 55058040 in words is "fifty-five million, fifty-eight thousand, forty".