3957448055 has 16 divisors (see below), whose sum is σ = 5253631488. Its totient is φ = 2837604000.

The previous prime is 3957448049. The next prime is 3957448087. The reversal of 3957448055 is 5508447593.

It is a happy number.

It is not a de Polignac number, because 3957448055 - 2²² = 3953253751 is a prime.

It is a super-2 number, since 2×3957448055² = 31322790216046566050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3957447994 and 3957448012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502811 + ... + 510620.

It is an arithmetic number, because the mean of its divisors is an integer number (328351968).

Almost surely, 2^3957448055 is an apocalyptic number.

3957448055 is a deficient number, since it is larger than the sum of its proper divisors (1296183433).

3957448055 is a wasteful number, since it uses less digits than its factorization.

3957448055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013518.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The square root of 3957448055 is about 62908.2510883906. The cubic root of 3957448055 is about 1581.7520561928.

The spelling of 3957448055 in words is "three billion, nine hundred fifty-seven million, four hundred forty-eight thousand, fifty-five".