54191902 has 8 divisors (see below), whose sum is σ = 83484936. Its totient is φ = 26363592.

The previous prime is 54191861. The next prime is 54191941. The reversal of 54191902 is 20919145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366088 + ... + 366235.

It is an arithmetic number, because the mean of its divisors is an integer number (10435617).

Almost surely, 2^54191902 is an apocalyptic number.

54191902 is a deficient number, since it is larger than the sum of its proper divisors (29293034).

54191902 is a wasteful number, since it uses less digits than its factorization.

54191902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732362.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 54191902 is about 7361.5149256114. The cubic root of 54191902 is about 378.4235289018.

The spelling of 54191902 in words is "fifty-four million, one hundred ninety-one thousand, nine hundred two".