5191240054 has 64 divisors (see below), whose sum is σ = 11070162432. Its totient is φ = 1757145600.

The previous prime is 5191240049. The next prime is 5191240057. The reversal of 5191240054 is 4500421915.

It is a junction number, because it is equal to n+sod(n) for n = 5191239998 and 5191240025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191240057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42232 + ... + 110299.

It is an arithmetic number, because the mean of its divisors is an integer number (172971288).

Almost surely, 2^5191240054 is an apocalyptic number.

5191240054 is an abundant number, since it is smaller than the sum of its proper divisors (5878922378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5191240054 is a wasteful number, since it uses less digits than its factorization.

5191240054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152581.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5191240054 is about 72050.2606102157. The cubic root of 5191240054 is about 1731.5048167302.

Adding to 5191240054 its reverse (4500421915), we get a palindrome (9691661969).

The spelling of 5191240054 in words is "five billion, one hundred ninety-one million, two hundred forty thousand, fifty-four".