48991401 has 12 divisors (see below), whose sum is σ = 70827120. Its totient is φ = 32632440.

The previous prime is 48991391. The next prime is 48991421. The reversal of 48991401 is 10419984.

It is not a de Polignac number, because 48991401 - 2⁷ = 48991273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48991421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15970 + ... + 18788.

It is an arithmetic number, because the mean of its divisors is an integer number (5902260).

Almost surely, 2^48991401 is an apocalyptic number.

It is an amenable number.

48991401 is a deficient number, since it is larger than the sum of its proper divisors (21835719).

48991401 is a wasteful number, since it uses less digits than its factorization.

48991401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756 (or 4753 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 48991401 is about 6999.3857587648. The cubic root of 48991401 is about 365.9091640563.

The spelling of 48991401 in words is "forty-eight million, nine hundred ninety-one thousand, four hundred one".