2148550 has 24 divisors (see below), whose sum is σ = 4046616. Its totient is φ = 848640.

The previous prime is 2148547. The next prime is 2148583. The reversal of 2148550 is 558412.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 4629 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (168609).

2^2148550 is an apocalyptic number.

2148550 is a deficient number, since it is larger than the sum of its proper divisors (1898066).

2148550 is a wasteful number, since it uses less digits than its factorization.

2148550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2148550 is about 1465.7933005714. The cubic root of 2148550 is about 129.0372666403.

The spelling of 2148550 in words is "two million, one hundred forty-eight thousand, five hundred fifty".