54157442 has 16 divisors (see below), whose sum is σ = 85829760. Its totient is φ = 25587408.

The previous prime is 54157409. The next prime is 54157463. The reversal of 54157442 is 24475145.

It is a junction number, because it is equal to n+sod(n) for n = 54157399 and 54157408.

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, 7208 + ... + 12659.

It is an arithmetic number, because the mean of its divisors is an integer number (5364360).

Almost surely, 2^54157442 is an apocalyptic number.

54157442 is a deficient number, since it is larger than the sum of its proper divisors (31672318).

54157442 is a wasteful number, since it uses less digits than its factorization.

54157442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19945.

The product of its digits is 22400, while the sum is 32.

The square root of 54157442 is about 7359.1740025631. The cubic root of 54157442 is about 378.3433001874.

The spelling of 54157442 in words is "fifty-four million, one hundred fifty-seven thousand, four hundred forty-two".