54051545242 has 4 divisors (see below), whose sum is σ = 81077317866. Its totient is φ = 27025772620.

The previous prime is 54051545231. The next prime is 54051545243. The reversal of 54051545242 is 24254515045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49942863441 + 4108681801 = 223479^2 + 64099^2 .

It is not an unprimeable number, because it can be changed into a prime (54051545243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13512886309 + ... + 13512886312.

Almost surely, 2^54051545242 is an apocalyptic number.

54051545242 is a deficient number, since it is larger than the sum of its proper divisors (27025772624).

54051545242 is a wasteful number, since it uses less digits than its factorization.

54051545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27025772623.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 54051545242 in words is "fifty-four billion, fifty-one million, five hundred forty-five thousand, two hundred forty-two".