54472942 has 4 divisors (see below), whose sum is σ = 81709416. Its totient is φ = 27236470.

The previous prime is 54472937. The next prime is 54472973. The reversal of 54472942 is 24927445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24927445 = 5 ⋅4985489.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13618234 + ... + 13618237.

It is an arithmetic number, because the mean of its divisors is an integer number (20427354).

Almost surely, 2^54472942 is an apocalyptic number.

54472942 is a deficient number, since it is larger than the sum of its proper divisors (27236474).

54472942 is a wasteful number, since it uses less digits than its factorization.

54472942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27236473.

The product of its digits is 80640, while the sum is 37.

The square root of 54472942 is about 7380.5787035977. The cubic root of 54472942 is about 379.0765712973.

The spelling of 54472942 in words is "fifty-four million, four hundred seventy-two thousand, nine hundred forty-two".