54195742 has 4 divisors (see below), whose sum is σ = 81293616. Its totient is φ = 27097870.

The previous prime is 54195731. The next prime is 54195761. The reversal of 54195742 is 24759145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24759145 = 5 ⋅4951829.

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, 13548934 + ... + 13548937.

It is an arithmetic number, because the mean of its divisors is an integer number (20323404).

Almost surely, 2^54195742 is an apocalyptic number.

54195742 is a deficient number, since it is larger than the sum of its proper divisors (27097874).

54195742 is a wasteful number, since it uses less digits than its factorization.

54195742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27097873.

The product of its digits is 50400, while the sum is 37.

The square root of 54195742 is about 7361.7757368722. The cubic root of 54195742 is about 378.4324669656.

The spelling of 54195742 in words is "fifty-four million, one hundred ninety-five thousand, seven hundred forty-two".