49651 has 8 divisors (see below), whose sum is σ = 58464. Its totient is φ = 41280.

The previous prime is 49639. The next prime is 49663. The reversal of 49651 is 15694.

49651 = T₅₈ + T₅₉ + ... + T₇₈.

It is an interprime number because it is at equal distance from previous prime (49639) and next prime (49663).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49651 - 2⁷ = 49523 is a prime.

It is a nialpdrome in base 15.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (49681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 373.

It is an arithmetic number, because the mean of its divisors is an integer number (7308).

2⁴⁹⁶⁵¹ is an apocalyptic number.

49651 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49651 is a deficient number, since it is larger than the sum of its proper divisors (8813).

49651 is a wasteful number, since it uses less digits than its factorization.

49651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its digits is 1080, while the sum is 25.

The square root of 49651 is about 222.8250434758. The cubic root of 49651 is about 36.7543996460.

The spelling of 49651 in words is "forty-nine thousand, six hundred fifty-one".