54242397 has 24 divisors (see below), whose sum is σ = 89974560. Its totient is φ = 31142880.

The previous prime is 54242369. The next prime is 54242399. The reversal of 54242397 is 79324245.

54242397 is a `hidden beast` number, since 542 + 4 + 23 + 97 = 666.

It is not a de Polignac number, because 54242397 - 2⁸ = 54242141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54242399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12538 + ... + 16299.

It is an arithmetic number, because the mean of its divisors is an integer number (3748940).

Almost surely, 2^54242397 is an apocalyptic number.

54242397 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

54242397 is a deficient number, since it is larger than the sum of its proper divisors (35732163).

54242397 is a wasteful number, since it uses less digits than its factorization.

54242397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28873 (or 28870 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 54242397 is about 7364.9437879729. The cubic root of 54242397 is about 378.5410284019.

The spelling of 54242397 in words is "fifty-four million, two hundred forty-two thousand, three hundred ninety-seven".