55667541 has 4 divisors (see below), whose sum is σ = 74223392. Its totient is φ = 37111692.

The previous prime is 55667531. The next prime is 55667561. The reversal of 55667541 is 14576655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55667541 - 2⁶ = 55667477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55667541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55667531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9277921 + ... + 9277926.

It is an arithmetic number, because the mean of its divisors is an integer number (18555848).

Almost surely, 2^55667541 is an apocalyptic number.

It is an amenable number.

55667541 is a deficient number, since it is larger than the sum of its proper divisors (18555851).

55667541 is a wasteful number, since it uses less digits than its factorization.

55667541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18555850.

The product of its digits is 126000, while the sum is 39.

The square root of 55667541 is about 7461.0683551352. The cubic root of 55667541 is about 381.8276247768.

The spelling of 55667541 in words is "fifty-five million, six hundred sixty-seven thousand, five hundred forty-one".