19054950 has 24 divisors (see below), whose sum is σ = 47256648. Its totient is φ = 5081280.

The previous prime is 19054949. The next prime is 19054951. The reversal of 19054950 is 5945091.

It is an interprime number because it is at equal distance from previous prime (19054949) and next prime (19054951).

It is a super-2 number, since 2×19054950² = 726182239005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19054951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63367 + ... + 63666.

It is an arithmetic number, because the mean of its divisors is an integer number (1969027).

Almost surely, 2^19054950 is an apocalyptic number.

19054950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19054950 is an abundant number, since it is smaller than the sum of its proper divisors (28201698).

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

19054950 is a wasteful number, since it uses less digits than its factorization.

19054950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127048 (or 127043 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 19054950 is about 4365.1975900296. The cubic root of 19054950 is about 267.0971605601.

The spelling of 19054950 in words is "nineteen million, fifty-four thousand, nine hundred fifty".