54470736861 has 16 divisors (see below), whose sum is σ = 76144565760. Its totient is φ = 34570332720.

The previous prime is 54470736829. The next prime is 54470736863. The reversal of 54470736861 is 16863707445.

It is a happy number.

It is not a de Polignac number, because 54470736861 - 2⁵ = 54470736829 is a prime.

It is a super-2 number, since 2×54470736861² (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 (54470736863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856131 + ... + 1885248.

It is an arithmetic number, because the mean of its divisors is an integer number (4759035360).

Almost surely, 2^54470736861 is an apocalyptic number.

It is an amenable number.

54470736861 is a deficient number, since it is larger than the sum of its proper divisors (21673828899).

54470736861 is a wasteful number, since it uses less digits than its factorization.

54470736861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741616.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 54470736861 in words is "fifty-four billion, four hundred seventy million, seven hundred thirty-six thousand, eight hundred sixty-one".