54136977 has 4 divisors (see below), whose sum is σ = 72182640. Its totient is φ = 36091316.

The previous prime is 54136969. The next prime is 54136987. The reversal of 54136977 is 77963145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54136977 - 2³ = 54136969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54136967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9022827 + ... + 9022832.

It is an arithmetic number, because the mean of its divisors is an integer number (18045660).

Almost surely, 2^54136977 is an apocalyptic number.

It is an amenable number.

54136977 is a deficient number, since it is larger than the sum of its proper divisors (18045663).

54136977 is a wasteful number, since it uses less digits than its factorization.

54136977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18045662.

The product of its digits is 158760, while the sum is 42.

The square root of 54136977 is about 7357.7834298109. The cubic root of 54136977 is about 378.2956380944.

The spelling of 54136977 in words is "fifty-four million, one hundred thirty-six thousand, nine hundred seventy-seven".