48501391 has 8 divisors (see below), whose sum is σ = 53011584. Its totient is φ = 44175360.

The previous prime is 48501379. The next prime is 48501407. The reversal of 48501391 is 19310584.

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 48501391 - 2⁷ = 48501263 is a prime.

It is a super-3 number, since 3×48501391³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48501331) 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, 45490 + ... + 46543.

It is an arithmetic number, because the mean of its divisors is an integer number (6626448).

Almost surely, 2^48501391 is an apocalyptic number.

48501391 is a deficient number, since it is larger than the sum of its proper divisors (4510193).

48501391 is a wasteful number, since it uses less digits than its factorization.

48501391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92081.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 48501391 is about 6964.2940058559. The cubic root of 48501391 is about 364.6851378618.

It can be divided in two parts, 4850 and 1391, that added together give a square (6241 = 79²).

The spelling of 48501391 in words is "forty-eight million, five hundred one thousand, three hundred ninety-one".