54690551 has 4 divisors (see below), whose sum is σ = 56168712. Its totient is φ = 53212392.

The previous prime is 54690529. The next prime is 54690553. The reversal of 54690551 is 15509645.

54690551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 54690551 - 2¹⁴ = 54674167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54690553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739025 + ... + 739098.

It is an arithmetic number, because the mean of its divisors is an integer number (14042178).

Almost surely, 2^54690551 is an apocalyptic number.

54690551 is a deficient number, since it is larger than the sum of its proper divisors (1478161).

54690551 is a wasteful number, since it uses less digits than its factorization.

54690551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478160.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 54690551 is about 7395.3060112479. The cubic root of 54690551 is about 379.5806801212.

The spelling of 54690551 in words is "fifty-four million, six hundred ninety thousand, five hundred fifty-one".