55146030 has 32 divisors (see below), whose sum is σ = 133951104. Its totient is φ = 14527776.

The previous prime is 55146017. The next prime is 55146031. The reversal of 55146030 is 3064155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146031) 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, 8584 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (4185972).

Almost surely, 2^55146030 is an apocalyptic number.

55146030 is an abundant number, since it is smaller than the sum of its proper divisors (78805074).

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

55146030 is a wasteful number, since it uses less digits than its factorization.

55146030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55146030 is about 7426.0373012799. The cubic root of 55146030 is about 380.6315214545.

The spelling of 55146030 in words is "fifty-five million, one hundred forty-six thousand, thirty".