55554131 has 16 divisors (see below), whose sum is σ = 60239424. Its totient is φ = 51093504.

The previous prime is 55554127. The next prime is 55554167. The reversal of 55554131 is 13145555.

It is a cyclic number.

It is not a de Polignac number, because 55554131 - 2² = 55554127 is a prime.

It is a super-2 number, since 2×55554131² = 6172522942330322, 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 = 55554094 and 55554103.

It is not an unprimeable number, because it can be changed into a prime (55514131) 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, 82211 + ... + 82883.

It is an arithmetic number, because the mean of its divisors is an integer number (3764964).

Almost surely, 2^55554131 is an apocalyptic number.

55554131 is a deficient number, since it is larger than the sum of its proper divisors (4685293).

55554131 is a wasteful number, since it uses less digits than its factorization.

55554131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its digits is 7500, while the sum is 29.

The square root of 55554131 is about 7453.4643622949. The cubic root of 55554131 is about 381.5681527385.

Adding to 55554131 its reverse (13145555), we get a palindrome (68699686).

The spelling of 55554131 in words is "fifty-five million, five hundred fifty-four thousand, one hundred thirty-one".