48351661 has 4 divisors (see below), whose sum is σ = 49911424. Its totient is φ = 46791900.

The previous prime is 48351649. The next prime is 48351691. The reversal of 48351661 is 16615384.

It is a happy number.

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 48351661 - 2¹⁷ = 48220589 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 (48351691) 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, 779835 + ... + 779896.

It is an arithmetic number, because the mean of its divisors is an integer number (12477856).

Almost surely, 2^48351661 is an apocalyptic number.

It is an amenable number.

48351661 is a deficient number, since it is larger than the sum of its proper divisors (1559763).

48351661 is a wasteful number, since it uses less digits than its factorization.

48351661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559762.

The product of its digits is 17280, while the sum is 34.

The square root of 48351661 is about 6953.5358631419. The cubic root of 48351661 is about 364.3094744613.

The spelling of 48351661 in words is "forty-eight million, three hundred fifty-one thousand, six hundred sixty-one".