48699551 has 4 divisors (see below), whose sum is σ = 48754152. Its totient is φ = 48644952.

The previous prime is 48699523. The next prime is 48699557. The reversal of 48699551 is 15599684.

It is a happy number.

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 48699551 - 2¹⁰ = 48698527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48699496 and 48699505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48699557) 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, 25940 + ... + 27753.

It is an arithmetic number, because the mean of its divisors is an integer number (12188538).

Almost surely, 2^48699551 is an apocalyptic number.

48699551 is a deficient number, since it is larger than the sum of its proper divisors (54601).

48699551 is an equidigital number, since it uses as much as digits as its factorization.

48699551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54600.

The product of its digits is 388800, while the sum is 47.

The square root of 48699551 is about 6978.5063588135. The cubic root of 48699551 is about 365.1811223425.

The spelling of 48699551 in words is "forty-eight million, six hundred ninety-nine thousand, five hundred fifty-one".