54444752919 has 12 divisors (see below), whose sum is σ = 78934775400. Its totient is φ = 36161569104.

The previous prime is 54444752861. The next prime is 54444752927. The reversal of 54444752919 is 91925744445.

54444752919 is a `hidden beast` number, since 544 + 4 + 4 + 7 + 5 + 2 + 91 + 9 = 666.

It is not a de Polignac number, because 54444752919 - 2¹³ = 54444744727 is a prime.

It is a super-2 number, since 2×54444752919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54444757919) 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, 11241849 + ... + 11246690.

It is an arithmetic number, because the mean of its divisors is an integer number (6577897950).

Almost surely, 2^54444752919 is an apocalyptic number.

54444752919 is a deficient number, since it is larger than the sum of its proper divisors (24490022481).

54444752919 is a wasteful number, since it uses less digits than its factorization.

54444752919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22488814 (or 22488811 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 54444752919 in words is "fifty-four billion, four hundred forty-four million, seven hundred fifty-two thousand, nine hundred nineteen".