19550148 has 24 divisors (see below), whose sum is σ = 45824352. Its totient is φ = 6487104.

The previous prime is 19550137. The next prime is 19550159. The reversal of 19550148 is 84105591.

It is an interprime number because it is at equal distance from previous prime (19550137) and next prime (19550159).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (1909348).

Almost surely, 2^19550148 is an apocalyptic number.

It is an amenable number.

19550148 is an abundant number, since it is smaller than the sum of its proper divisors (26274204).

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

19550148 is a wasteful number, since it uses less digits than its factorization.

19550148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411 (or 7409 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 19550148 is about 4421.5549301123. The cubic root of 19550148 is about 269.3911658697.

The spelling of 19550148 in words is "nineteen million, five hundred fifty thousand, one hundred forty-eight".